chrome/browser/automation/automation_provider.cc

// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/automation/automation_provider.h"

#include <set>

#include "app/l10n_util.h"
#include "app/message_box_flags.h"
#include "base/callback.h"
#include "base/file_version_info.h"
#include "base/json/json_reader.h"
#include "base/json/json_writer.h"
#include "base/keyboard_codes.h"
#include "base/message_loop.h"
#include "base/path_service.h"
#include "base/process_util.h"
#include "base/stl_util-inl.h"
#include "base/string_util.h"
#include "base/thread.h"
#include "base/utf_string_conversions.h"
#include "base/values.h"
#include "chrome/app/chrome_dll_resource.h"
#include "chrome/app/chrome_version_info.h"
#include "chrome/browser/app_modal_dialog.h"
#include "chrome/browser/app_modal_dialog_queue.h"
#include "chrome/browser/automation/automation_extension_function.h"
#include "chrome/browser/automation/automation_extension_tracker.h"
#include "chrome/browser/automation/automation_provider_list.h"
#include "chrome/browser/automation/automation_provider_observers.h"
#include "chrome/browser/automation/extension_automation_constants.h"
#include "chrome/browser/automation/extension_port_container.h"
#include "chrome/browser/blocked_popup_container.h"
#include "chrome/browser/bookmarks/bookmark_model.h"
#include "chrome/browser/bookmarks/bookmark_storage.h"
#include "chrome/browser/browser_list.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/browser_window.h"
#include "chrome/browser/browsing_data_remover.h"
#include "chrome/browser/character_encoding.h"
#include "chrome/browser/chrome_thread.h"
#include "chrome/browser/dom_operation_notification_details.h"
#include "chrome/browser/debugger/devtools_manager.h"
#include "chrome/browser/download/download_manager.h"
#include "chrome/browser/download/download_shelf.h"
#include "chrome/browser/download/save_package.h"
#include "chrome/browser/extensions/crx_installer.h"
#include "chrome/browser/extensions/extension_browser_event_router.h"
#include "chrome/browser/extensions/extension_host.h"
#include "chrome/browser/extensions/extension_install_ui.h"
#include "chrome/browser/extensions/extension_message_service.h"
#include "chrome/browser/extensions/extension_tabs_module.h"
#include "chrome/browser/extensions/extension_toolbar_model.h"
#include "chrome/browser/extensions/extensions_service.h"
#include "chrome/browser/extensions/user_script_master.h"
#include "chrome/browser/find_bar.h"
#include "chrome/browser/find_bar_controller.h"
#include "chrome/browser/find_notification_details.h"
#include "chrome/browser/host_content_settings_map.h"
#include "chrome/browser/io_thread.h"
#include "chrome/browser/location_bar.h"
#include "chrome/browser/login_prompt.h"
#include "chrome/browser/net/url_request_mock_util.h"
#include "chrome/browser/platform_util.h"
#include "chrome/browser/pref_service.h"
#include "chrome/browser/printing/print_job.h"
#include "chrome/browser/profile_manager.h"
#include "chrome/browser/renderer_host/render_process_host.h"
#include "chrome/browser/renderer_host/render_view_host.h"
#include "chrome/browser/ssl/ssl_manager.h"
#include "chrome/browser/ssl/ssl_blocking_page.h"
#include "chrome/browser/tab_contents/tab_contents.h"
#include "chrome/browser/tab_contents/tab_contents_view.h"
#include "chrome/common/automation_constants.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/extensions/extension.h"
#include "chrome/common/json_value_serializer.h"
#include "chrome/common/net/url_request_context_getter.h"
#include "chrome/common/notification_service.h"
#include "chrome/common/pref_names.h"
#include "chrome/common/url_constants.h"
#include "chrome/test/automation/automation_messages.h"
#include "chrome/test/automation/tab_proxy.h"
#include "net/proxy/proxy_service.h"
#include "net/proxy/proxy_config_service_fixed.h"
#include "net/url_request/url_request_context.h"
#include "chrome/browser/automation/ui_controls.h"
#include "views/event.h"
#include "webkit/glue/plugins/plugin_list.h"

#if defined(OS_WIN)
#include "chrome/browser/external_tab_container.h"
#endif  // defined(OS_WIN)

using base::Time;

class AutomationInterstitialPage : public InterstitialPage {
 public:
  AutomationInterstitialPage(TabContents* tab,
                             const GURL& url,
                             const std::string& contents)
      : InterstitialPage(tab, true, url),
        contents_(contents) {
  }

  virtual std::string GetHTMLContents() { return contents_; }

 private:
  std::string contents_;

  DISALLOW_COPY_AND_ASSIGN(AutomationInterstitialPage);
};

class ClickTask : public Task {
 public:
  explicit ClickTask(int flags) : flags_(flags) {}
  virtual ~ClickTask() {}

  virtual void Run() {
    ui_controls::MouseButton button = ui_controls::LEFT;
    if ((flags_ & views::Event::EF_LEFT_BUTTON_DOWN) ==
        views::Event::EF_LEFT_BUTTON_DOWN) {
      button = ui_controls::LEFT;
    } else if ((flags_ & views::Event::EF_RIGHT_BUTTON_DOWN) ==
        views::Event::EF_RIGHT_BUTTON_DOWN) {
      button = ui_controls::RIGHT;
    } else if ((flags_ & views::Event::EF_MIDDLE_BUTTON_DOWN) ==
        views::Event::EF_MIDDLE_BUTTON_DOWN) {
      button = ui_controls::MIDDLE;
    } else {
      NOTREACHED();
    }

    ui_controls::SendMouseClick(button);
  }

 private:
  int flags_;

  DISALLOW_COPY_AND_ASSIGN(ClickTask);
};

AutomationProvider::AutomationProvider(Profile* profile)
    : redirect_query_(0),
      profile_(profile),
      reply_message_(NULL),
      popup_menu_waiter_(NULL) {
  browser_tracker_.reset(new AutomationBrowserTracker(this));
  extension_tracker_.reset(new AutomationExtensionTracker(this));
  tab_tracker_.reset(new AutomationTabTracker(this));
  window_tracker_.reset(new AutomationWindowTracker(this));
  autocomplete_edit_tracker_.reset(
      new AutomationAutocompleteEditTracker(this));
  new_tab_ui_load_observer_.reset(new NewTabUILoadObserver(this));
  dom_operation_observer_.reset(new DomOperationNotificationObserver(this));
  metric_event_duration_observer_.reset(new MetricEventDurationObserver());
  extension_test_result_observer_.reset(
      new ExtensionTestResultNotificationObserver(this));
  g_browser_process->AddRefModule();
}

AutomationProvider::~AutomationProvider() {
  STLDeleteContainerPairSecondPointers(port_containers_.begin(),
                                       port_containers_.end());
  port_containers_.clear();

  // Make sure that any outstanding NotificationObservers also get destroyed.
  ObserverList<NotificationObserver>::Iterator it(notification_observer_list_);
  NotificationObserver* observer;
  while ((observer = it.GetNext()) != NULL)
    delete observer;

  if (channel_.get()) {
    channel_->Close();
  }
  g_browser_process->ReleaseModule();
}

void AutomationProvider::ConnectToChannel(const std::string& channel_id) {
  automation_resource_message_filter_ = new AutomationResourceMessageFilter;
  channel_.reset(
      new IPC::SyncChannel(channel_id, IPC::Channel::MODE_CLIENT, this,
                           automation_resource_message_filter_,
                           g_browser_process->io_thread()->message_loop(),
                           true, g_browser_process->shutdown_event()));
  scoped_ptr<FileVersionInfo> version_info(
      chrome_app::GetChromeVersionInfo());
  std::string version_string;
  if (version_info != NULL) {
    version_string = WideToASCII(version_info->file_version());
  }

  // Send a hello message with our current automation protocol version.
  channel_->Send(new AutomationMsg_Hello(0, version_string.c_str()));
}

void AutomationProvider::SetExpectedTabCount(size_t expected_tabs) {
  if (expected_tabs == 0) {
    Send(new AutomationMsg_InitialLoadsComplete(0));
  } else {
    initial_load_observer_.reset(new InitialLoadObserver(expected_tabs, this));
  }
}

NotificationObserver* AutomationProvider::AddNavigationStatusListener(
    NavigationController* tab, IPC::Message* reply_message,
    int number_of_navigations, bool include_current_navigation) {
  NotificationObserver* observer =
      new NavigationNotificationObserver(tab, this, reply_message,
                                         number_of_navigations,
                                         include_current_navigation);

  notification_observer_list_.AddObserver(observer);
  return observer;
}

void AutomationProvider::RemoveNavigationStatusListener(
    NotificationObserver* obs) {
  notification_observer_list_.RemoveObserver(obs);
}

NotificationObserver* AutomationProvider::AddTabStripObserver(
    Browser* parent,
    IPC::Message* reply_message) {
  NotificationObserver* observer =
      new TabAppendedNotificationObserver(parent, this, reply_message);
  notification_observer_list_.AddObserver(observer);

  return observer;
}

void AutomationProvider::RemoveTabStripObserver(NotificationObserver* obs) {
  notification_observer_list_.RemoveObserver(obs);
}

void AutomationProvider::AddLoginHandler(NavigationController* tab,
                                         LoginHandler* handler) {
  login_handler_map_[tab] = handler;
}

void AutomationProvider::RemoveLoginHandler(NavigationController* tab) {
  DCHECK(login_handler_map_[tab]);
  login_handler_map_.erase(tab);
}

void AutomationProvider::AddPortContainer(ExtensionPortContainer* port) {
  int port_id = port->port_id();
  DCHECK_NE(-1, port_id);
  DCHECK(port_containers_.find(port_id) == port_containers_.end());

  port_containers_[port_id] = port;
}

void AutomationProvider::RemovePortContainer(ExtensionPortContainer* port) {
  int port_id = port->port_id();
  DCHECK_NE(-1, port_id);

  PortContainerMap::iterator it = port_containers_.find(port_id);
  DCHECK(it != port_containers_.end());

  if (it != port_containers_.end()) {
    delete it->second;
    port_containers_.erase(it);
  }
}

ExtensionPortContainer* AutomationProvider::GetPortContainer(
    int port_id) const {
  PortContainerMap::const_iterator it = port_containers_.find(port_id);
  if (it == port_containers_.end())
    return NULL;

  return it->second;
}

int AutomationProvider::GetIndexForNavigationController(
    const NavigationController* controller, const Browser* parent) const {
  DCHECK(parent);
  return parent->GetIndexOfController(controller);
}

int AutomationProvider::AddExtension(Extension* extension) {
  DCHECK(extension);
  return extension_tracker_->Add(extension);
}

Extension* AutomationProvider::GetExtension(int extension_handle) {
  return extension_tracker_->GetResource(extension_handle);
}

Extension* AutomationProvider::GetEnabledExtension(int extension_handle) {
  Extension* extension = extension_tracker_->GetResource(extension_handle);
  ExtensionsService* service = profile_->GetExtensionsService();
  if (extension && service &&
      service->GetExtensionById(extension->id(), false))
    return extension;
  return NULL;
}

Extension* AutomationProvider::GetDisabledExtension(int extension_handle) {
  Extension* extension = extension_tracker_->GetResource(extension_handle);
  ExtensionsService* service = profile_->GetExtensionsService();
  if (extension && service &&
      service->GetExtensionById(extension->id(), true) &&
      !service->GetExtensionById(extension->id(), false))
    return extension;
  return NULL;
}

void AutomationProvider::OnMessageReceived(const IPC::Message& message) {
  IPC_BEGIN_MESSAGE_MAP(AutomationProvider, message)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_CloseBrowser, CloseBrowser)
    IPC_MESSAGE_HANDLER(AutomationMsg_CloseBrowserRequestAsync,
                        CloseBrowserAsync)
    IPC_MESSAGE_HANDLER(AutomationMsg_ActivateTab, ActivateTab)
    IPC_MESSAGE_HANDLER(AutomationMsg_ActiveTabIndex, GetActiveTabIndex)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_AppendTab, AppendTab)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_CloseTab, CloseTab)
    IPC_MESSAGE_HANDLER(AutomationMsg_GetCookies, GetCookies)
    IPC_MESSAGE_HANDLER(AutomationMsg_SetCookie, SetCookie)
    IPC_MESSAGE_HANDLER(AutomationMsg_DeleteCookie, DeleteCookie)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_NavigateToURL, NavigateToURL)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(
        AutomationMsg_NavigateToURLBlockUntilNavigationsComplete,
        NavigateToURLBlockUntilNavigationsComplete)
    IPC_MESSAGE_HANDLER(AutomationMsg_NavigationAsync, NavigationAsync)
    IPC_MESSAGE_HANDLER(AutomationMsg_NavigationAsyncWithDisposition,
                        NavigationAsyncWithDisposition)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_GoBack, GoBack)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_GoForward, GoForward)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_Reload, Reload)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_SetAuth, SetAuth)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_CancelAuth, CancelAuth)
    IPC_MESSAGE_HANDLER(AutomationMsg_NeedsAuth, NeedsAuth)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_RedirectsFrom,
                                    GetRedirectsFrom)
    IPC_MESSAGE_HANDLER(AutomationMsg_BrowserWindowCount, GetBrowserWindowCount)
    IPC_MESSAGE_HANDLER(AutomationMsg_NormalBrowserWindowCount,
                        GetNormalBrowserWindowCount)
    IPC_MESSAGE_HANDLER(AutomationMsg_BrowserWindow, GetBrowserWindow)
    IPC_MESSAGE_HANDLER(AutomationMsg_GetBrowserLocale, GetBrowserLocale)
    IPC_MESSAGE_HANDLER(AutomationMsg_LastActiveBrowserWindow,
                        GetLastActiveBrowserWindow)
    IPC_MESSAGE_HANDLER(AutomationMsg_ActiveWindow, GetActiveWindow)
    IPC_MESSAGE_HANDLER(AutomationMsg_FindNormalBrowserWindow,
                        FindNormalBrowserWindow)
    IPC_MESSAGE_HANDLER(AutomationMsg_IsWindowActive, IsWindowActive)
    IPC_MESSAGE_HANDLER(AutomationMsg_ActivateWindow, ActivateWindow)
    IPC_MESSAGE_HANDLER(AutomationMsg_IsWindowMaximized, IsWindowMaximized)
    IPC_MESSAGE_HANDLER(AutomationMsg_WindowExecuteCommandAsync,
                        ExecuteBrowserCommandAsync)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_WindowExecuteCommand,
                        ExecuteBrowserCommand)
    IPC_MESSAGE_HANDLER(AutomationMsg_TerminateSession, TerminateSession)
    IPC_MESSAGE_HANDLER(AutomationMsg_WindowViewBounds, WindowGetViewBounds)
    IPC_MESSAGE_HANDLER(AutomationMsg_GetWindowBounds, GetWindowBounds)
    IPC_MESSAGE_HANDLER(AutomationMsg_SetWindowBounds, SetWindowBounds)
    IPC_MESSAGE_HANDLER(AutomationMsg_SetWindowVisible, SetWindowVisible)
    IPC_MESSAGE_HANDLER(AutomationMsg_WindowClick, WindowSimulateClick)
    IPC_MESSAGE_HANDLER(AutomationMsg_WindowMouseMove, WindowSimulateMouseMove)
    IPC_MESSAGE_HANDLER(AutomationMsg_WindowKeyPress, WindowSimulateKeyPress)
#if !defined(OS_MACOSX)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_WindowDrag,
                                    WindowSimulateDrag)
#endif  // !defined(OS_MACOSX)
    IPC_MESSAGE_HANDLER(AutomationMsg_TabCount, GetTabCount)
    IPC_MESSAGE_HANDLER(AutomationMsg_Type, GetType)
    IPC_MESSAGE_HANDLER(AutomationMsg_Tab, GetTab)
#if defined(OS_WIN)
    IPC_MESSAGE_HANDLER(AutomationMsg_TabHWND, GetTabHWND)
#endif  // defined(OS_WIN)
    IPC_MESSAGE_HANDLER(AutomationMsg_TabProcessID, GetTabProcessID)
    IPC_MESSAGE_HANDLER(AutomationMsg_TabTitle, GetTabTitle)
    IPC_MESSAGE_HANDLER(AutomationMsg_TabIndex, GetTabIndex)
    IPC_MESSAGE_HANDLER(AutomationMsg_TabURL, GetTabURL)
    IPC_MESSAGE_HANDLER(AutomationMsg_ShelfVisibility, GetShelfVisibility)
    IPC_MESSAGE_HANDLER(AutomationMsg_IsFullscreen, IsFullscreen)
    IPC_MESSAGE_HANDLER(AutomationMsg_IsFullscreenBubbleVisible,
                        GetFullscreenBubbleVisibility)
    IPC_MESSAGE_HANDLER(AutomationMsg_HandleUnused, HandleUnused)
    IPC_MESSAGE_HANDLER(AutomationMsg_ApplyAccelerator, ApplyAccelerator)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_DomOperation,
                                    ExecuteJavascript)
    IPC_MESSAGE_HANDLER(AutomationMsg_ConstrainedWindowCount,
                        GetConstrainedWindowCount)
    IPC_MESSAGE_HANDLER(AutomationMsg_FindInPage, HandleFindInPageRequest)
    IPC_MESSAGE_HANDLER(AutomationMsg_GetFocusedViewID, GetFocusedViewID)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_InspectElement,
                                    HandleInspectElementRequest)
    IPC_MESSAGE_HANDLER(AutomationMsg_DownloadDirectory, GetDownloadDirectory)
    IPC_MESSAGE_HANDLER(AutomationMsg_SetProxyConfig, SetProxyConfig);
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_OpenNewBrowserWindow,
                                    OpenNewBrowserWindow)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_OpenNewBrowserWindowOfType,
                                    OpenNewBrowserWindowOfType)
    IPC_MESSAGE_HANDLER(AutomationMsg_WindowForBrowser, GetWindowForBrowser)
    IPC_MESSAGE_HANDLER(AutomationMsg_AutocompleteEditForBrowser,
                        GetAutocompleteEditForBrowser)
    IPC_MESSAGE_HANDLER(AutomationMsg_BrowserForWindow, GetBrowserForWindow)
#if defined(OS_WIN)
    IPC_MESSAGE_HANDLER(AutomationMsg_CreateExternalTab, CreateExternalTab)
#endif
    IPC_MESSAGE_HANDLER(AutomationMsg_NavigateInExternalTab,
                        NavigateInExternalTab)
    IPC_MESSAGE_HANDLER(AutomationMsg_NavigateExternalTabAtIndex,
                        NavigateExternalTabAtIndex)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_ShowInterstitialPage,
                                    ShowInterstitialPage)
    IPC_MESSAGE_HANDLER(AutomationMsg_HideInterstitialPage,
                        HideInterstitialPage)
#if defined(OS_WIN)
    IPC_MESSAGE_HANDLER(AutomationMsg_ProcessUnhandledAccelerator,
                        ProcessUnhandledAccelerator)
#endif
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_WaitForTabToBeRestored,
                                    WaitForTabToBeRestored)
    IPC_MESSAGE_HANDLER(AutomationMsg_SetInitialFocus, SetInitialFocus)
#if defined(OS_WIN)
    IPC_MESSAGE_HANDLER(AutomationMsg_TabReposition, OnTabReposition)
    IPC_MESSAGE_HANDLER(AutomationMsg_ForwardContextMenuCommandToChrome,
                        OnForwardContextMenuCommandToChrome)
#endif
    IPC_MESSAGE_HANDLER(AutomationMsg_GetSecurityState, GetSecurityState)
    IPC_MESSAGE_HANDLER(AutomationMsg_GetPageType, GetPageType)
    IPC_MESSAGE_HANDLER(AutomationMsg_GetMetricEventDuration,
                        GetMetricEventDuration)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_ActionOnSSLBlockingPage,
                                    ActionOnSSLBlockingPage)
    IPC_MESSAGE_HANDLER(AutomationMsg_BringBrowserToFront, BringBrowserToFront)
    IPC_MESSAGE_HANDLER(AutomationMsg_IsPageMenuCommandEnabled,
                        IsPageMenuCommandEnabled)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_PrintNow, PrintNow)
    IPC_MESSAGE_HANDLER(AutomationMsg_PrintAsync, PrintAsync)
    IPC_MESSAGE_HANDLER(AutomationMsg_SavePage, SavePage)
    IPC_MESSAGE_HANDLER(AutomationMsg_AutocompleteEditGetText,
                        GetAutocompleteEditText)
    IPC_MESSAGE_HANDLER(AutomationMsg_AutocompleteEditSetText,
                        SetAutocompleteEditText)
    IPC_MESSAGE_HANDLER(AutomationMsg_AutocompleteEditIsQueryInProgress,
                        AutocompleteEditIsQueryInProgress)
    IPC_MESSAGE_HANDLER(AutomationMsg_AutocompleteEditGetMatches,
                        AutocompleteEditGetMatches)
    IPC_MESSAGE_HANDLER(AutomationMsg_OpenFindInPage,
                        HandleOpenFindInPageRequest)
    IPC_MESSAGE_HANDLER(AutomationMsg_HandleMessageFromExternalHost,
                        OnMessageFromExternalHost)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_Find, HandleFindRequest)
    IPC_MESSAGE_HANDLER(AutomationMsg_FindWindowVisibility,
                        GetFindWindowVisibility)
    IPC_MESSAGE_HANDLER(AutomationMsg_FindWindowLocation,
                        HandleFindWindowLocationRequest)
    IPC_MESSAGE_HANDLER(AutomationMsg_BookmarkBarVisibility,
                        GetBookmarkBarVisibility)
    IPC_MESSAGE_HANDLER(AutomationMsg_GetBookmarksAsJSON,
                        GetBookmarksAsJSON)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_WaitForBookmarkModelToLoad,
                                    WaitForBookmarkModelToLoad)
    IPC_MESSAGE_HANDLER(AutomationMsg_AddBookmarkGroup,
                        AddBookmarkGroup)
    IPC_MESSAGE_HANDLER(AutomationMsg_AddBookmarkURL,
                        AddBookmarkURL)
    IPC_MESSAGE_HANDLER(AutomationMsg_ReparentBookmark,
                        ReparentBookmark)
    IPC_MESSAGE_HANDLER(AutomationMsg_SetBookmarkTitle,
                        SetBookmarkTitle)
    IPC_MESSAGE_HANDLER(AutomationMsg_SetBookmarkURL,
                        SetBookmarkURL)
    IPC_MESSAGE_HANDLER(AutomationMsg_RemoveBookmark,
                        RemoveBookmark)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_SendJSONRequest,
                                    SendJSONRequest)
    IPC_MESSAGE_HANDLER(AutomationMsg_GetInfoBarCount, GetInfoBarCount)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_ClickInfoBarAccept,
                                    ClickInfoBarAccept)
    IPC_MESSAGE_HANDLER(AutomationMsg_GetLastNavigationTime,
                        GetLastNavigationTime)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_WaitForNavigation,
                                    WaitForNavigation)
    IPC_MESSAGE_HANDLER(AutomationMsg_SetIntPreference, SetIntPreference)
    IPC_MESSAGE_HANDLER(AutomationMsg_ShowingAppModalDialog,
                        GetShowingAppModalDialog)
    IPC_MESSAGE_HANDLER(AutomationMsg_ClickAppModalDialogButton,
                        ClickAppModalDialogButton)
    IPC_MESSAGE_HANDLER(AutomationMsg_SetStringPreference, SetStringPreference)
    IPC_MESSAGE_HANDLER(AutomationMsg_GetBooleanPreference,
                        GetBooleanPreference)
    IPC_MESSAGE_HANDLER(AutomationMsg_SetBooleanPreference,
                        SetBooleanPreference)
    IPC_MESSAGE_HANDLER(AutomationMsg_GetPageCurrentEncoding,
                        GetPageCurrentEncoding)
    IPC_MESSAGE_HANDLER(AutomationMsg_OverrideEncoding, OverrideEncoding)
    IPC_MESSAGE_HANDLER(AutomationMsg_SavePackageShouldPromptUser,
                        SavePackageShouldPromptUser)
    IPC_MESSAGE_HANDLER(AutomationMsg_WindowTitle, GetWindowTitle)
#if defined(OS_WIN)
    // Depends on ExternalTabContainer, so Windows-only
    IPC_MESSAGE_HANDLER(AutomationMsg_SetEnableExtensionAutomation,
                        SetEnableExtensionAutomation)
#endif
    IPC_MESSAGE_HANDLER(AutomationMsg_SetShelfVisibility, SetShelfVisibility)
    IPC_MESSAGE_HANDLER(AutomationMsg_BlockedPopupCount, GetBlockedPopupCount)
    IPC_MESSAGE_HANDLER(AutomationMsg_SelectAll, SelectAll)
    IPC_MESSAGE_HANDLER(AutomationMsg_Cut, Cut)
    IPC_MESSAGE_HANDLER(AutomationMsg_Copy, Copy)
    IPC_MESSAGE_HANDLER(AutomationMsg_Paste, Paste)
    IPC_MESSAGE_HANDLER(AutomationMsg_ReloadAsync, ReloadAsync)
    IPC_MESSAGE_HANDLER(AutomationMsg_StopAsync, StopAsync)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(
        AutomationMsg_WaitForBrowserWindowCountToBecome,
        WaitForBrowserWindowCountToBecome)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(
        AutomationMsg_WaitForAppModalDialogToBeShown,
        WaitForAppModalDialogToBeShown)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(
        AutomationMsg_GoBackBlockUntilNavigationsComplete,
        GoBackBlockUntilNavigationsComplete)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(
        AutomationMsg_GoForwardBlockUntilNavigationsComplete,
        GoForwardBlockUntilNavigationsComplete)
#if defined(OS_WIN)
    IPC_MESSAGE_HANDLER(AutomationMsg_ConnectExternalTab, ConnectExternalTab)
#endif
    IPC_MESSAGE_HANDLER(AutomationMsg_SetPageFontSize, OnSetPageFontSize)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_InstallExtension,
                                    InstallExtension)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_LoadExpandedExtension,
                                    LoadExpandedExtension)
    IPC_MESSAGE_HANDLER(AutomationMsg_GetEnabledExtensions,
                        GetEnabledExtensions)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_WaitForExtensionTestResult,
                                    WaitForExtensionTestResult)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(
        AutomationMsg_InstallExtensionAndGetHandle,
        InstallExtensionAndGetHandle)
    IPC_MESSAGE_HANDLER(AutomationMsg_UninstallExtension,
                        UninstallExtension)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_EnableExtension,
                                    EnableExtension)
    IPC_MESSAGE_HANDLER(AutomationMsg_DisableExtension,
                        DisableExtension)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(
        AutomationMsg_ExecuteExtensionActionInActiveTabAsync,
        ExecuteExtensionActionInActiveTabAsync)
    IPC_MESSAGE_HANDLER(AutomationMsg_MoveExtensionBrowserAction,
                        MoveExtensionBrowserAction)
    IPC_MESSAGE_HANDLER(AutomationMsg_GetExtensionProperty,
                        GetExtensionProperty)
    IPC_MESSAGE_HANDLER(AutomationMsg_ShutdownSessionService,
                        ShutdownSessionService)
    IPC_MESSAGE_HANDLER(AutomationMsg_SaveAsAsync, SaveAsAsync)
#if defined(OS_WIN)
    IPC_MESSAGE_HANDLER(AutomationMsg_BrowserMove, OnBrowserMoved)
#endif
    IPC_MESSAGE_HANDLER(AutomationMsg_SetContentSetting, SetContentSetting)
#if defined(OS_CHROMEOS)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_LoginWithUserAndPass,
                                    LoginWithUserAndPass)
#endif
    IPC_MESSAGE_HANDLER(AutomationMsg_RemoveBrowsingData, RemoveBrowsingData)
#if defined(TOOLKIT_VIEWS)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_WaitForFocusedViewIDToChange,
                                    WaitForFocusedViewIDToChange)
    IPC_MESSAGE_HANDLER(AutomationMsg_StartTrackingPopupMenus,
                        StartTrackingPopupMenus)
    IPC_MESSAGE_HANDLER_DELAY_REPLY(AutomationMsg_WaitForPopupMenuToOpen,
                                    WaitForPopupMenuToOpen)
#endif
    IPC_MESSAGE_HANDLER(AutomationMsg_ResetToDefaultTheme, ResetToDefaultTheme)
  IPC_END_MESSAGE_MAP()
}

void AutomationProvider::ActivateTab(int handle, int at_index, int* status) {
  *status = -1;
  if (browser_tracker_->ContainsHandle(handle) && at_index > -1) {
    Browser* browser = browser_tracker_->GetResource(handle);
    if (at_index >= 0 && at_index < browser->tab_count()) {
      browser->SelectTabContentsAt(at_index, true);
      *status = 0;
    }
  }
}

void AutomationProvider::AppendTab(int handle, const GURL& url,
                                   IPC::Message* reply_message) {
  int append_tab_response = -1;  // -1 is the error code
  NotificationObserver* observer = NULL;

  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    observer = AddTabStripObserver(browser, reply_message);
    TabContents* tab_contents = browser->AddTabWithURL(
        url, GURL(), PageTransition::TYPED, -1, Browser::ADD_SELECTED, NULL,
        std::string());
    if (tab_contents) {
      append_tab_response =
          GetIndexForNavigationController(&tab_contents->controller(), browser);
    }
  }

  if (append_tab_response < 0) {
    // The append tab failed. Remove the TabStripObserver
    if (observer) {
      RemoveTabStripObserver(observer);
      delete observer;
    }

    AutomationMsg_AppendTab::WriteReplyParams(reply_message,
                                              append_tab_response);
    Send(reply_message);
  }
}

void AutomationProvider::NavigateToURL(int handle, const GURL& url,
                                       IPC::Message* reply_message) {
  NavigateToURLBlockUntilNavigationsComplete(handle, url, 1, reply_message);
}

void AutomationProvider::NavigateToURLBlockUntilNavigationsComplete(
    int handle, const GURL& url, int number_of_navigations,
    IPC::Message* reply_message) {
  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);

    // Simulate what a user would do. Activate the tab and then navigate.
    // We could allow navigating in a background tab in future.
    Browser* browser = FindAndActivateTab(tab);

    if (browser) {
      AddNavigationStatusListener(tab, reply_message, number_of_navigations,
                                  false);

      // TODO(darin): avoid conversion to GURL
      browser->OpenURL(url, GURL(), CURRENT_TAB, PageTransition::TYPED);
      return;
    }
  }

  AutomationMsg_NavigateToURL::WriteReplyParams(
      reply_message, AUTOMATION_MSG_NAVIGATION_ERROR);
  Send(reply_message);
}

void AutomationProvider::NavigationAsync(int handle,
                                        const GURL& url,
                                        bool* status) {
  NavigationAsyncWithDisposition(handle, url, CURRENT_TAB, status);
}

void AutomationProvider::NavigationAsyncWithDisposition(
    int handle,
    const GURL& url,
    WindowOpenDisposition disposition,
    bool* status) {
  *status = false;

  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);

    // Simulate what a user would do. Activate the tab and then navigate.
    // We could allow navigating in a background tab in future.
    Browser* browser = FindAndActivateTab(tab);

    if (browser) {
      // Don't add any listener unless a callback mechanism is desired.
      // TODO(vibhor): Do this if such a requirement arises in future.
      browser->OpenURL(url, GURL(), disposition, PageTransition::TYPED);
      *status = true;
    }
  }
}

void AutomationProvider::GoBack(int handle, IPC::Message* reply_message) {
  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);
    Browser* browser = FindAndActivateTab(tab);
    if (browser && browser->command_updater()->IsCommandEnabled(IDC_BACK)) {
      AddNavigationStatusListener(tab, reply_message, 1, false);
      browser->GoBack(CURRENT_TAB);
      return;
    }
  }

  AutomationMsg_GoBack::WriteReplyParams(
      reply_message, AUTOMATION_MSG_NAVIGATION_ERROR);
  Send(reply_message);
}

void AutomationProvider::GoForward(int handle, IPC::Message* reply_message) {
  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);
    Browser* browser = FindAndActivateTab(tab);
    if (browser && browser->command_updater()->IsCommandEnabled(IDC_FORWARD)) {
      AddNavigationStatusListener(tab, reply_message, 1, false);
      browser->GoForward(CURRENT_TAB);
      return;
    }
  }

  AutomationMsg_GoForward::WriteReplyParams(
      reply_message, AUTOMATION_MSG_NAVIGATION_ERROR);
  Send(reply_message);
}

void AutomationProvider::Reload(int handle, IPC::Message* reply_message) {
  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);
    Browser* browser = FindAndActivateTab(tab);
    if (browser && browser->command_updater()->IsCommandEnabled(IDC_RELOAD)) {
      AddNavigationStatusListener(tab, reply_message, 1, false);
      browser->Reload(CURRENT_TAB);
      return;
    }
  }

  AutomationMsg_Reload::WriteReplyParams(
      reply_message, AUTOMATION_MSG_NAVIGATION_ERROR);
  Send(reply_message);
}

void AutomationProvider::SetAuth(int tab_handle,
                                 const std::wstring& username,
                                 const std::wstring& password,
                                 IPC::Message* reply_message) {
  if (tab_tracker_->ContainsHandle(tab_handle)) {
    NavigationController* tab = tab_tracker_->GetResource(tab_handle);
    LoginHandlerMap::iterator iter = login_handler_map_.find(tab);

    if (iter != login_handler_map_.end()) {
      // If auth is needed again after this, assume login has failed.  This is
      // not strictly correct, because a navigation can require both proxy and
      // server auth, but it should be OK for now.
      LoginHandler* handler = iter->second;
      AddNavigationStatusListener(tab, reply_message, 1, false);
      handler->SetAuth(username, password);
      return;
    }
  }

  AutomationMsg_SetAuth::WriteReplyParams(
      reply_message, AUTOMATION_MSG_NAVIGATION_AUTH_NEEDED);
  Send(reply_message);
}

void AutomationProvider::CancelAuth(int tab_handle,
                                    IPC::Message* reply_message) {
  if (tab_tracker_->ContainsHandle(tab_handle)) {
    NavigationController* tab = tab_tracker_->GetResource(tab_handle);
    LoginHandlerMap::iterator iter = login_handler_map_.find(tab);

    if (iter != login_handler_map_.end()) {
      // If auth is needed again after this, something is screwy.
      LoginHandler* handler = iter->second;
      AddNavigationStatusListener(tab, reply_message, 1, false);
      handler->CancelAuth();
      return;
    }
  }

  AutomationMsg_CancelAuth::WriteReplyParams(
      reply_message, AUTOMATION_MSG_NAVIGATION_AUTH_NEEDED);
  Send(reply_message);
}

void AutomationProvider::NeedsAuth(int tab_handle, bool* needs_auth) {
  *needs_auth = false;

  if (tab_tracker_->ContainsHandle(tab_handle)) {
    NavigationController* tab = tab_tracker_->GetResource(tab_handle);
    LoginHandlerMap::iterator iter = login_handler_map_.find(tab);

    if (iter != login_handler_map_.end()) {
      // The LoginHandler will be in our map IFF the tab needs auth.
      *needs_auth = true;
    }
  }
}

void AutomationProvider::GetRedirectsFrom(int tab_handle,
                                          const GURL& source_url,
                                          IPC::Message* reply_message) {
  DCHECK(!redirect_query_) << "Can only handle one redirect query at once.";
  if (tab_tracker_->ContainsHandle(tab_handle)) {
    NavigationController* tab = tab_tracker_->GetResource(tab_handle);
    HistoryService* history_service =
        tab->profile()->GetHistoryService(Profile::EXPLICIT_ACCESS);

    DCHECK(history_service) << "Tab " << tab_handle << "'s profile " <<
                               "has no history service";
    if (history_service) {
      DCHECK(reply_message_ == NULL);
      reply_message_ = reply_message;
      // Schedule a history query for redirects. The response will be sent
      // asynchronously from the callback the history system uses to notify us
      // that it's done: OnRedirectQueryComplete.
      redirect_query_ = history_service->QueryRedirectsFrom(
          source_url, &consumer_,
          NewCallback(this, &AutomationProvider::OnRedirectQueryComplete));
      return;  // Response will be sent when query completes.
    }
  }

  // Send failure response.
  std::vector<GURL> empty;
  AutomationMsg_RedirectsFrom::WriteReplyParams(reply_message, false, empty);
  Send(reply_message);
}

void AutomationProvider::GetActiveTabIndex(int handle, int* active_tab_index) {
  *active_tab_index = -1;  // -1 is the error code
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    *active_tab_index = browser->selected_index();
  }
}

void AutomationProvider::GetBrowserLocale(string16* locale) {
  DCHECK(g_browser_process);
  *locale = ASCIIToUTF16(g_browser_process->GetApplicationLocale());
}

void AutomationProvider::GetBrowserWindowCount(int* window_count) {
  *window_count = static_cast<int>(BrowserList::size());
}

void AutomationProvider::GetNormalBrowserWindowCount(int* window_count) {
  *window_count = static_cast<int>(
      BrowserList::GetBrowserCountForType(profile_, Browser::TYPE_NORMAL));
}

void AutomationProvider::GetShowingAppModalDialog(bool* showing_dialog,
                                                  int* dialog_button) {
  AppModalDialog* dialog_delegate =
      Singleton<AppModalDialogQueue>()->active_dialog();
  *showing_dialog = (dialog_delegate != NULL);
  if (*showing_dialog)
    *dialog_button = dialog_delegate->GetDialogButtons();
  else
    *dialog_button = MessageBoxFlags::DIALOGBUTTON_NONE;
}

void AutomationProvider::ClickAppModalDialogButton(int button, bool* success) {
  *success = false;

  AppModalDialog* dialog_delegate =
      Singleton<AppModalDialogQueue>()->active_dialog();
  if (dialog_delegate &&
      (dialog_delegate->GetDialogButtons() & button) == button) {
    if ((button & MessageBoxFlags::DIALOGBUTTON_OK) ==
        MessageBoxFlags::DIALOGBUTTON_OK) {
      dialog_delegate->AcceptWindow();
      *success =  true;
    }
    if ((button & MessageBoxFlags::DIALOGBUTTON_CANCEL) ==
        MessageBoxFlags::DIALOGBUTTON_CANCEL) {
      DCHECK(!*success) << "invalid param, OK and CANCEL specified";
      dialog_delegate->CancelWindow();
      *success =  true;
    }
  }
}

void AutomationProvider::ShutdownSessionService(int handle, bool* result) {
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    browser->profile()->ShutdownSessionService();
    *result = true;
  } else {
    *result = false;
  }
}

void AutomationProvider::GetBrowserWindow(int index, int* handle) {
  *handle = 0;
  if (index >= 0) {
    BrowserList::const_iterator iter = BrowserList::begin();
    for (; (iter != BrowserList::end()) && (index > 0); ++iter, --index);
    if (iter != BrowserList::end()) {
      *handle = browser_tracker_->Add(*iter);
    }
  }
}

void AutomationProvider::FindNormalBrowserWindow(int* handle) {
  *handle = 0;
  Browser* browser = BrowserList::FindBrowserWithType(profile_,
                                                      Browser::TYPE_NORMAL,
                                                      false);
  if (browser)
    *handle = browser_tracker_->Add(browser);
}

void AutomationProvider::GetLastActiveBrowserWindow(int* handle) {
  *handle = 0;
  Browser* browser = BrowserList::GetLastActive();
  if (browser)
    *handle = browser_tracker_->Add(browser);
}

#if defined(OS_POSIX)
// TODO(estade): use this implementation for all platforms?
void AutomationProvider::GetActiveWindow(int* handle) {
  gfx::NativeWindow window =
      BrowserList::GetLastActive()->window()->GetNativeHandle();
  *handle = window_tracker_->Add(window);
}
#endif

void AutomationProvider::ExecuteBrowserCommandAsync(int handle, int command,
                                                    bool* success) {
  *success = false;
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    if (browser->command_updater()->SupportsCommand(command) &&
        browser->command_updater()->IsCommandEnabled(command)) {
      browser->ExecuteCommand(command);
      *success = true;
    }
  }
}

void AutomationProvider::ExecuteBrowserCommand(
    int handle, int command, IPC::Message* reply_message) {
  // List of commands which just finish synchronously and don't require
  // setting up an observer.
  static const int kSynchronousCommands[] = {
    IDC_HOME,
    IDC_SELECT_NEXT_TAB,
    IDC_SELECT_PREVIOUS_TAB,
    IDC_SHOW_BOOKMARK_MANAGER,
  };
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    if (browser->command_updater()->SupportsCommand(command) &&
        browser->command_updater()->IsCommandEnabled(command)) {
      // First check if we can handle the command without using an observer.
      for (size_t i = 0; i < arraysize(kSynchronousCommands); i++) {
        if (command == kSynchronousCommands[i]) {
          browser->ExecuteCommand(command);
          AutomationMsg_WindowExecuteCommand::WriteReplyParams(reply_message,
                                                               true);
          Send(reply_message);
          return;
        }
      }

      // Use an observer if we have one, otherwise fail.
      if (ExecuteBrowserCommandObserver::CreateAndRegisterObserver(
          this, browser, command, reply_message)) {
        browser->ExecuteCommand(command);
        return;
      }
    }
  }
  AutomationMsg_WindowExecuteCommand::WriteReplyParams(reply_message, false);
  Send(reply_message);
}

// This task just adds another task to the event queue.  This is useful if
// you want to ensure that any tasks added to the event queue after this one
// have already been processed by the time |task| is run.
class InvokeTaskLaterTask : public Task {
 public:
  explicit InvokeTaskLaterTask(Task* task) : task_(task) {}
  virtual ~InvokeTaskLaterTask() {}

  virtual void Run() {
    MessageLoop::current()->PostTask(FROM_HERE, task_);
  }

 private:
  Task* task_;

  DISALLOW_COPY_AND_ASSIGN(InvokeTaskLaterTask);
};

void AutomationProvider::WindowSimulateClick(const IPC::Message& message,
                                             int handle,
                                             const gfx::Point& click,
                                             int flags) {
  if (window_tracker_->ContainsHandle(handle)) {
    ui_controls::SendMouseMoveNotifyWhenDone(click.x(), click.y(),
                                             new ClickTask(flags));
  }
}

void AutomationProvider::WindowSimulateMouseMove(const IPC::Message& message,
                                                 int handle,
                                                 const gfx::Point& location) {
  if (window_tracker_->ContainsHandle(handle))
    ui_controls::SendMouseMove(location.x(), location.y());
}

void AutomationProvider::WindowSimulateKeyPress(const IPC::Message& message,
                                                int handle,
                                                int key,
                                                int flags) {
  if (!window_tracker_->ContainsHandle(handle))
    return;

  gfx::NativeWindow window = window_tracker_->GetResource(handle);
  // The key event is sent to whatever window is active.
  ui_controls::SendKeyPress(window, static_cast<base::KeyboardCode>(key),
                           ((flags & views::Event::EF_CONTROL_DOWN) ==
                              views::Event::EF_CONTROL_DOWN),
                            ((flags & views::Event::EF_SHIFT_DOWN) ==
                              views::Event::EF_SHIFT_DOWN),
                            ((flags & views::Event::EF_ALT_DOWN) ==
                              views::Event::EF_ALT_DOWN),
                            ((flags & views::Event::EF_COMMAND_DOWN) ==
                              views::Event::EF_COMMAND_DOWN));
}

void AutomationProvider::IsWindowActive(int handle, bool* success,
                                        bool* is_active) {
  if (window_tracker_->ContainsHandle(handle)) {
    *is_active =
        platform_util::IsWindowActive(window_tracker_->GetResource(handle));
    *success = true;
  } else {
    *success = false;
    *is_active = false;
  }
}

void AutomationProvider::GetTabCount(int handle, int* tab_count) {
  *tab_count = -1;  // -1 is the error code

  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    *tab_count = browser->tab_count();
  }
}

void AutomationProvider::GetType(int handle, int* type_as_int) {
  *type_as_int = -1;  // -1 is the error code

  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    *type_as_int = static_cast<int>(browser->type());
  }
}

void AutomationProvider::GetTab(int win_handle, int tab_index,
                                int* tab_handle) {
  *tab_handle = 0;
  if (browser_tracker_->ContainsHandle(win_handle) && (tab_index >= 0)) {
    Browser* browser = browser_tracker_->GetResource(win_handle);
    if (tab_index < browser->tab_count()) {
      TabContents* tab_contents =
          browser->GetTabContentsAt(tab_index);
      *tab_handle = tab_tracker_->Add(&tab_contents->controller());
    }
  }
}

void AutomationProvider::GetTabTitle(int handle, int* title_string_size,
                                     std::wstring* title) {
  *title_string_size = -1;  // -1 is the error code
  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);
    NavigationEntry* entry = tab->GetActiveEntry();
    if (entry != NULL) {
      *title = UTF16ToWideHack(entry->title());
    } else {
      *title = std::wstring();
    }
    *title_string_size = static_cast<int>(title->size());
  }
}

void AutomationProvider::GetTabIndex(int handle, int* tabstrip_index) {
  *tabstrip_index = -1;  // -1 is the error code

  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);
    Browser* browser = Browser::GetBrowserForController(tab, NULL);
    *tabstrip_index = browser->tabstrip_model()->GetIndexOfController(tab);
  }
}

void AutomationProvider::HandleUnused(const IPC::Message& message, int handle) {
  if (window_tracker_->ContainsHandle(handle)) {
    window_tracker_->Remove(window_tracker_->GetResource(handle));
  }
}

void AutomationProvider::OnChannelError() {
  LOG(INFO) << "AutomationProxy went away, shutting down app.";
  AutomationProviderList::GetInstance()->RemoveProvider(this);
}

// TODO(brettw) change this to accept GURLs when history supports it
void AutomationProvider::OnRedirectQueryComplete(
    HistoryService::Handle request_handle,
    GURL from_url,
    bool success,
    history::RedirectList* redirects) {
  DCHECK(request_handle == redirect_query_);
  DCHECK(reply_message_ != NULL);

  std::vector<GURL> redirects_gurl;
  reply_message_->WriteBool(success);
  if (success) {
    for (size_t i = 0; i < redirects->size(); i++)
      redirects_gurl.push_back(redirects->at(i));
  }

  IPC::ParamTraits<std::vector<GURL> >::Write(reply_message_, redirects_gurl);

  Send(reply_message_);
  redirect_query_ = 0;
  reply_message_ = NULL;
}

bool AutomationProvider::Send(IPC::Message* msg) {
  DCHECK(channel_.get());
  return channel_->Send(msg);
}

Browser* AutomationProvider::FindAndActivateTab(
    NavigationController* controller) {
  int tab_index;
  Browser* browser = Browser::GetBrowserForController(controller, &tab_index);
  if (browser)
    browser->SelectTabContentsAt(tab_index, true);

  return browser;
}

void AutomationProvider::GetCookies(const GURL& url, int handle,
                                    int* value_size,
                                    std::string* value) {
  *value_size = -1;
  if (url.is_valid() && tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);

    // Since we are running on the UI thread don't call GetURLRequestContext().
    scoped_refptr<URLRequestContextGetter> request_context =
        tab->tab_contents()->request_context();
    if (!request_context.get())
      request_context = tab->profile()->GetRequestContext();

    net::CookieStore* cookie_store = request_context->GetCookieStore();

    *value = cookie_store->GetCookies(url);
    *value_size = static_cast<int>(value->size());
  }
}

void AutomationProvider::SetCookie(const GURL& url,
                                   const std::string value,
                                   int handle,
                                   int* response_value) {
  *response_value = -1;

  if (url.is_valid() && tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);

    scoped_refptr<URLRequestContextGetter> request_context =
        tab->tab_contents()->request_context();
    if (!request_context.get())
      request_context = tab->profile()->GetRequestContext();

    // Since we are running on the UI thread don't call GetURLRequestContext().
    scoped_refptr<net::CookieStore> cookie_store =
        request_context->GetCookieStore();

    if (cookie_store->SetCookie(url, value))
      *response_value = 1;
  }
}

void AutomationProvider::DeleteCookie(const GURL& url,
                                      const std::string& cookie_name,
                                      int handle, bool* success) {
  *success = false;
  if (url.is_valid() && tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);
    net::CookieStore* cookie_store =
        tab->profile()->GetRequestContext()->GetCookieStore();
    cookie_store->DeleteCookie(url, cookie_name);
    *success = true;
  }
}

void AutomationProvider::GetTabURL(int handle, bool* success, GURL* url) {
  *success = false;
  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);
    // Return what the user would see in the location bar.
    *url = tab->GetActiveEntry()->virtual_url();
    *success = true;
  }
}

void AutomationProvider::GetTabProcessID(int handle, int* process_id) {
  *process_id = -1;

  if (tab_tracker_->ContainsHandle(handle)) {
    *process_id = 0;
    TabContents* tab_contents =
        tab_tracker_->GetResource(handle)->tab_contents();
    RenderProcessHost* rph = tab_contents->GetRenderProcessHost();
    if (rph)
      *process_id = base::GetProcId(rph->GetHandle());
  }
}

void AutomationProvider::ApplyAccelerator(int handle, int id) {
  NOTREACHED() << "This function has been deprecated. "
               << "Please use ExecuteBrowserCommandAsync instead.";
}

void AutomationProvider::ExecuteJavascript(int handle,
                                           const std::wstring& frame_xpath,
                                           const std::wstring& script,
                                           IPC::Message* reply_message) {
  bool succeeded = false;
  TabContents* tab_contents = GetTabContentsForHandle(handle, NULL);
  if (tab_contents) {
    // Set the routing id of this message with the controller.
    // This routing id needs to be remembered for the reverse
    // communication while sending back the response of
    // this javascript execution.
    std::wstring set_automation_id;
    SStringPrintf(&set_automation_id,
      L"window.domAutomationController.setAutomationId(%d);",
      reply_message->routing_id());

    DCHECK(reply_message_ == NULL);
    reply_message_ = reply_message;

    tab_contents->render_view_host()->ExecuteJavascriptInWebFrame(
        frame_xpath, set_automation_id);
    tab_contents->render_view_host()->ExecuteJavascriptInWebFrame(
        frame_xpath, script);
    succeeded = true;
  }

  if (!succeeded) {
    AutomationMsg_DomOperation::WriteReplyParams(reply_message, std::string());
    Send(reply_message);
  }
}

void AutomationProvider::GetShelfVisibility(int handle, bool* visible) {
  *visible = false;

  if (browser_tracker_->ContainsHandle(handle)) {
#if defined(OS_CHROMEOS)
    // Chromium OS shows FileBrowse ui rather than download shelf. So we
    // enumerate all browsers and look for a chrome://filebrowse... pop up.
    for (BrowserList::const_iterator it = BrowserList::begin();
         it != BrowserList::end(); ++it) {
      if ((*it)->type() == Browser::TYPE_POPUP) {
        const GURL& url =
            (*it)->GetTabContentsAt((*it)->selected_index())->GetURL();

        if (url.SchemeIs(chrome::kChromeUIScheme) &&
            url.host() == chrome::kChromeUIFileBrowseHost) {
          *visible = true;
          break;
        }
      }
    }
#else
    Browser* browser = browser_tracker_->GetResource(handle);
    if (browser) {
      *visible = browser->window()->IsDownloadShelfVisible();
    }
#endif
  }
}

void AutomationProvider::SetShelfVisibility(int handle, bool visible) {
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    if (browser) {
      if (visible)
        browser->window()->GetDownloadShelf()->Show();
      else
        browser->window()->GetDownloadShelf()->Close();
    }
  }
}

void AutomationProvider::IsFullscreen(int handle, bool* visible) {
  *visible = false;

  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    if (browser)
      *visible = browser->window()->IsFullscreen();
  }
}

void AutomationProvider::GetFullscreenBubbleVisibility(int handle,
                                                       bool* visible) {
  *visible = false;

  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    if (browser)
      *visible = browser->window()->IsFullscreenBubbleVisible();
  }
}

void AutomationProvider::GetConstrainedWindowCount(int handle, int* count) {
  *count = -1;  // -1 is the error code
  if (tab_tracker_->ContainsHandle(handle)) {
      NavigationController* nav_controller = tab_tracker_->GetResource(handle);
      TabContents* tab_contents = nav_controller->tab_contents();
      if (tab_contents) {
        *count = static_cast<int>(tab_contents->child_windows_.size());
      }
  }
}

void AutomationProvider::HandleFindInPageRequest(
    int handle, const std::wstring& find_request,
    int forward, int match_case, int* active_ordinal, int* matches_found) {
  NOTREACHED() << "This function has been deprecated."
    << "Please use HandleFindRequest instead.";
  *matches_found = -1;
  return;
}

void AutomationProvider::HandleFindRequest(
    int handle,
    const AutomationMsg_Find_Params& params,
    IPC::Message* reply_message) {
  if (!tab_tracker_->ContainsHandle(handle)) {
    AutomationMsg_FindInPage::WriteReplyParams(reply_message, -1, -1);
    Send(reply_message);
    return;
  }

  NavigationController* nav = tab_tracker_->GetResource(handle);
  TabContents* tab_contents = nav->tab_contents();

  find_in_page_observer_.reset(new
      FindInPageNotificationObserver(this, tab_contents, reply_message));

  tab_contents->set_current_find_request_id(
      FindInPageNotificationObserver::kFindInPageRequestId);
  tab_contents->render_view_host()->StartFinding(
      FindInPageNotificationObserver::kFindInPageRequestId,
      params.search_string, params.forward, params.match_case,
      params.find_next);
}

void AutomationProvider::HandleOpenFindInPageRequest(
    const IPC::Message& message, int handle) {
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    browser->FindInPage(false, false);
  }
}

void AutomationProvider::GetFindWindowVisibility(int handle, bool* visible) {
  *visible = false;
  Browser* browser = browser_tracker_->GetResource(handle);
  if (browser) {
    FindBarTesting* find_bar =
        browser->GetFindBarController()->find_bar()->GetFindBarTesting();
    find_bar->GetFindBarWindowInfo(NULL, visible);
  }
}

void AutomationProvider::HandleFindWindowLocationRequest(int handle, int* x,
                                                         int* y) {
  gfx::Point position(0, 0);
  bool visible = false;
  if (browser_tracker_->ContainsHandle(handle)) {
     Browser* browser = browser_tracker_->GetResource(handle);
     FindBarTesting* find_bar =
       browser->GetFindBarController()->find_bar()->GetFindBarTesting();
     find_bar->GetFindBarWindowInfo(&position, &visible);
  }

  *x = position.x();
  *y = position.y();
}

// Bookmark bar visibility is based on the pref (e.g. is it in the toolbar).
// Presence in the NTP is NOT considered visible by this call.
void AutomationProvider::GetBookmarkBarVisibility(int handle,
                                                  bool* visible,
                                                  bool* animating) {
  *visible = false;
  *animating = false;

  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    if (browser) {
#if 0  // defined(TOOLKIT_VIEWS) && defined(OS_LINUX)
      // TODO(jrg): Was removed in rev43789 for perf. Need to investigate.

      // IsBookmarkBarVisible() line looks correct but is not
      // consistent across platforms.  Specifically, on Mac/Linux, it
      // returns false if the bar is hidden in a pref (even if visible
      // on the NTP).  On ChromeOS, it returned true if on NTP
      // independent of the pref.  Making the code more consistent
      // caused a perf bot regression on Windows (which shares views).
      // See http://crbug.com/40225
      *visible = browser->profile()->GetPrefs()->GetBoolean(
          prefs::kShowBookmarkBar);
#else
      *visible = browser->window()->IsBookmarkBarVisible();
#endif
      *animating = browser->window()->IsBookmarkBarAnimating();
    }
  }
}

void AutomationProvider::GetBookmarksAsJSON(int handle,
                                            std::string* bookmarks_as_json,
                                            bool *success) {
  *success = false;
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    if (browser) {
      if (!browser->profile()->GetBookmarkModel()->IsLoaded()) {
        return;
      }
      scoped_refptr<BookmarkStorage> storage = new BookmarkStorage(
          browser->profile(),
          browser->profile()->GetBookmarkModel());
      *success = storage->SerializeData(bookmarks_as_json);
    }
  }
}

void AutomationProvider::WaitForBookmarkModelToLoad(
    int handle,
    IPC::Message* reply_message) {
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    BookmarkModel* model = browser->profile()->GetBookmarkModel();
    if (model->IsLoaded()) {
      AutomationMsg_WaitForBookmarkModelToLoad::WriteReplyParams(
          reply_message, true);
      Send(reply_message);
    } else {
      // The observer will delete itself when done.
      new AutomationProviderBookmarkModelObserver(this, reply_message,
                                                  model);
    }
  }
}

void AutomationProvider::AddBookmarkGroup(int handle,
                                          int64 parent_id, int index,
                                          std::wstring title,
                                          bool* success) {
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    if (browser) {
      BookmarkModel* model = browser->profile()->GetBookmarkModel();
      if (!model->IsLoaded()) {
        *success = false;
        return;
      }
      const BookmarkNode* parent = model->GetNodeByID(parent_id);
      DCHECK(parent);
      if (parent) {
        const BookmarkNode* child = model->AddGroup(parent, index,
                                                    WideToUTF16(title));
        DCHECK(child);
        if (child)
          *success = true;
      }
    }
  }
  *success = false;
}

void AutomationProvider::AddBookmarkURL(int handle,
                                        int64 parent_id, int index,
                                        std::wstring title, const GURL& url,
                                        bool* success) {
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    if (browser) {
      BookmarkModel* model = browser->profile()->GetBookmarkModel();
      if (!model->IsLoaded()) {
        *success = false;
        return;
      }
      const BookmarkNode* parent = model->GetNodeByID(parent_id);
      DCHECK(parent);
      if (parent) {
        const BookmarkNode* child = model->AddURL(parent, index,
                                                  WideToUTF16(title), url);
        DCHECK(child);
        if (child)
          *success = true;
      }
    }
  }
  *success = false;
}

void AutomationProvider::ReparentBookmark(int handle,
                                          int64 id, int64 new_parent_id,
                                          int index,
                                          bool* success) {
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    if (browser) {
      BookmarkModel* model = browser->profile()->GetBookmarkModel();
      if (!model->IsLoaded()) {
        *success = false;
        return;
      }
      const BookmarkNode* node = model->GetNodeByID(id);
      DCHECK(node);
      const BookmarkNode* new_parent = model->GetNodeByID(new_parent_id);
      DCHECK(new_parent);
      if (node && new_parent) {
        model->Move(node, new_parent, index);
        *success = true;
      }
    }
  }
  *success = false;
}

void AutomationProvider::SetBookmarkTitle(int handle,
                                          int64 id, std::wstring title,
                                          bool* success) {
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    if (browser) {
      BookmarkModel* model = browser->profile()->GetBookmarkModel();
      if (!model->IsLoaded()) {
        *success = false;
        return;
      }
      const BookmarkNode* node = model->GetNodeByID(id);
      DCHECK(node);
      if (node) {
        model->SetTitle(node, WideToUTF16(title));
        *success = true;
      }
    }
  }
  *success = false;
}

void AutomationProvider::SetBookmarkURL(int handle,
                                        int64 id, const GURL& url,
                                        bool* success) {
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    if (browser) {
      BookmarkModel* model = browser->profile()->GetBookmarkModel();
      if (!model->IsLoaded()) {
        *success = false;
        return;
      }
      const BookmarkNode* node = model->GetNodeByID(id);
      DCHECK(node);
      if (node) {
        model->SetURL(node, url);
        *success = true;
      }
    }
  }
  *success = false;
}

void AutomationProvider::RemoveBookmark(int handle,
                                        int64 id,
                                        bool* success) {
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    if (browser) {
      BookmarkModel* model = browser->profile()->GetBookmarkModel();
      if (!model->IsLoaded()) {
        *success = false;
        return;
      }
      const BookmarkNode* node = model->GetNodeByID(id);
      DCHECK(node);
      if (node) {
        const BookmarkNode* parent = node->GetParent();
        DCHECK(parent);
        model->Remove(parent, parent->IndexOfChild(node));
        *success = true;
      }
    }
  }
  *success = false;
}

// Sample json input: { "command": "SetWindowDimensions",
//                      "x": 20,         # optional
//                      "y": 20,         # optional
//                      "width": 800,    # optional
//                      "height": 600 }  # optional
void AutomationProvider::SetWindowDimensions(Browser* browser,
                                             DictionaryValue* args,
                                             IPC::Message* reply_message) {
  gfx::Rect rect = browser->window()->GetRestoredBounds();
  int x, y, width, height;
  if (args->GetInteger(L"x", &x))
    rect.set_x(x);
  if (args->GetInteger(L"y", &y))
    rect.set_y(y);
  if (args->GetInteger(L"width", &width))
    rect.set_width(width);
  if (args->GetInteger(L"height", &height))
    rect.set_height(height);
  browser->window()->SetBounds(rect);
  AutomationMsg_SendJSONRequest::WriteReplyParams(
      reply_message, std::string("{}"), true);
  Send(reply_message);
}

// Sample json input: { "command": "GetBrowserInfo" }
// Refer to GetBrowserInfo() in chrome/test/pyautolib/pyauto.py for
// sample json output.
void AutomationProvider::GetBrowserInfo(Browser* browser,
                                        DictionaryValue* args,
                                        IPC::Message* reply_message) {
  std::string json_return;
  bool reply_return = true;

  DictionaryValue* properties = new DictionaryValue;
  properties->SetString(L"ChromeVersion", chrome::kChromeVersion);
  properties->SetString(L"BrowserProcessExecutableName",
                        chrome::kBrowserProcessExecutableName);
  properties->SetString(L"HelperProcessExecutableName",
                        chrome::kHelperProcessExecutableName);
  properties->SetString(L"BrowserProcessExecutablePath",
                        chrome::kBrowserProcessExecutablePath);
  properties->SetString(L"HelperProcessExecutablePath",
                        chrome::kHelperProcessExecutablePath);
#if defined(OS_WIN)
  properties->SetString(L"command_line_string",
      CommandLine::ForCurrentProcess()->command_line_string());
#elif defined(OS_POSIX)
  properties->SetString(L"command_line_string",
      JoinString(CommandLine::ForCurrentProcess()->argv(), ' '));
#endif

  scoped_ptr<DictionaryValue> return_value(new DictionaryValue);
  return_value->Set(L"properties", properties);

  return_value->SetInteger(L"browser_pid", base::GetCurrentProcId());
  // Add info about all windows in a list of dictionaries, one dictionary
  // item per window.
  ListValue* windows = new ListValue;
  int windex = 0;
  for (BrowserList::const_iterator it = BrowserList::begin();
       it != BrowserList::end();
       ++it, ++windex) {
    DictionaryValue* browser_item = new DictionaryValue;
    browser = *it;
    browser_item->SetInteger(L"index", windex);
    // Window properties
    gfx::Rect rect = browser->window()->GetRestoredBounds();
    browser_item->SetInteger(L"x", rect.x());
    browser_item->SetInteger(L"y", rect.y());
    browser_item->SetInteger(L"width", rect.width());
    browser_item->SetInteger(L"height", rect.height());
    browser_item->SetBoolean(L"fullscreen",
                             browser->window()->IsFullscreen());
    browser_item->SetInteger(L"selected_tab", browser->selected_index());
    browser_item->SetBoolean(L"incognito",
                             browser->profile()->IsOffTheRecord());
    // For each window, add info about all tabs in a list of dictionaries,
    // one dictionary item per tab.
    ListValue* tabs = new ListValue;
    for (int i = 0; i < browser->tab_count(); ++i) {
      TabContents* tc = browser->GetTabContentsAt(i);
      DictionaryValue* tab = new DictionaryValue;
      tab->SetInteger(L"index", i);
      tab->SetString(L"url", tc->GetURL().spec());
      tab->SetInteger(L"renderer_pid",
                      base::GetProcId(tc->GetRenderProcessHost()->GetHandle()));
      tab->SetInteger(L"num_infobars", tc->infobar_delegate_count());
      tabs->Append(tab);
    }
    browser_item->Set(L"tabs", tabs);

    windows->Append(browser_item);
  }
  return_value->Set(L"windows", windows);

  return_value->SetString(L"child_process_path",
                          ChildProcessHost::GetChildPath(true).value());
  // Child processes are the processes for plugins and other workers.
  // Add all child processes in a list of dictionaries, one dictionary item
  // per child process.
  ListValue* child_processes = new ListValue;
  for (ChildProcessHost::Iterator iter; !iter.Done(); ++iter) {
    // Only add processes which are already started, since we need their handle.
    if ((*iter)->handle() != base::kNullProcessHandle) {
      ChildProcessInfo* info = *iter;
      DictionaryValue* item = new DictionaryValue;
      item->SetString(L"name", info->name());
      item->SetString(L"type",
                      ChildProcessInfo::GetTypeNameInEnglish(info->type()));
      item->SetInteger(L"pid", base::GetProcId(info->handle()));
      child_processes->Append(item);
    }
  }
  return_value->Set(L"child_processes", child_processes);

  // Add all extension processes in a list of dictionaries, one dictionary
  // item per extension process.
  ListValue* extension_processes = new ListValue;
  ProfileManager* profile_manager = g_browser_process->profile_manager();
  for (ProfileManager::const_iterator it = profile_manager->begin();
       it != profile_manager->end(); ++it) {
    ExtensionProcessManager* process_manager =
        (*it)->GetExtensionProcessManager();
    ExtensionProcessManager::const_iterator jt;
    for (jt = process_manager->begin(); jt != process_manager->end(); ++jt) {
      ExtensionHost* ex_host = *jt;
      // Don't add dead extension processes.
      if (!ex_host->IsRenderViewLive())
        continue;
      DictionaryValue* item = new DictionaryValue;
      item->SetString(L"name", ex_host->extension()->name());
      item->SetInteger(
          L"pid",
          base::GetProcId(ex_host->render_process_host()->GetHandle()));
      extension_processes->Append(item);
    }
  }
  return_value->Set(L"extension_processes", extension_processes);

  base::JSONWriter::Write(return_value.get(), false, &json_return);
  AutomationMsg_SendJSONRequest::WriteReplyParams(
      reply_message, json_return, reply_return);
  Send(reply_message);
}

// Sample json input: { "command": "GetHistoryInfo",
//                      "search_text": "some text" }
// Refer chrome/test/pyautolib/history_info.py for sample json output.
void AutomationProvider::GetHistoryInfo(Browser* browser,
                                        DictionaryValue* args,
                                        IPC::Message* reply_message) {
  consumer_.CancelAllRequests();

  std::wstring search_text;
  args->GetString(L"search_text", &search_text);

  // Fetch history.
  HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
  history::QueryOptions options;
  // The observer owns itself.  It deletes itself after it fetches history.
  AutomationProviderHistoryObserver* history_observer =
      new AutomationProviderHistoryObserver(this, reply_message);
  hs->QueryHistory(
      search_text,
      options,
      &consumer_,
      NewCallback(history_observer,
                  &AutomationProviderHistoryObserver::HistoryQueryComplete));
}

// Sample json input: { "command": "AddHistoryItem",
//                      "item": { "URL": "http://www.google.com",
//                                "title": "Google",   # optional
//                                "time": 12345        # optional (time_t)
//                               } }
// Refer chrome/test/pyautolib/pyauto.py for details on input.
void AutomationProvider::AddHistoryItem(Browser* browser,
                                        DictionaryValue* args,
                                        IPC::Message* reply_message) {
  bool reply_return = true;
  std::string json_return = "{}";

  DictionaryValue* item = NULL;
  args->GetDictionary(L"item", &item);
  string16 url_text;
  std::wstring title;
  base::Time time = base::Time::Now();

  if (item->GetString("url", &url_text)) {
    GURL gurl(url_text);
    item->GetString(L"title", &title);  // Don't care if it fails.
    int it;
    double dt;
    if (item->GetInteger(L"time", &it))
      time = base::Time::FromTimeT(it);
    else if (item->GetReal(L"time", &dt))
      time = base::Time::FromDoubleT(dt);

    // Ideas for "dummy" values (e.g. id_scope) came from
    // chrome/browser/autocomplete/history_contents_provider_unittest.cc
    HistoryService* hs = profile_->GetHistoryService(Profile::EXPLICIT_ACCESS);
    const void* id_scope = reinterpret_cast<void*>(1);
    hs->AddPage(gurl, time,
                id_scope,
                0,
                GURL(),
                PageTransition::LINK,
                history::RedirectList(),
                false);
    if (title.length()) {
      // TODO(jrg): add a string16 interface for
      // HistoryService::SetPageTitle(), then use it.
      hs->SetPageTitle(gurl, title);
    }
  } else {
    json_return = "{\"error\": \"bad args (no URL in dict?).\"}";
    reply_return = false;
  }

  AutomationMsg_SendJSONRequest::WriteReplyParams(
      reply_message, json_return, reply_return);
  Send(reply_message);
}

// Sample json input: { "command": "GetDownloadsInfo" }
// Refer chrome/test/pyautolib/download_info.py for sample json output.
void AutomationProvider::GetDownloadsInfo(Browser* browser,
                                          DictionaryValue* args,
                                          IPC::Message* reply_message) {
  std::string json_return;
  bool reply_return = true;
  AutomationProviderDownloadManagerObserver observer;
  std::vector<DownloadItem*> downloads;
  scoped_ptr<DictionaryValue> return_value(new DictionaryValue);

  if (!profile_->HasCreatedDownloadManager()) {
    json_return = "{\"error\": \"no download manager\"}";
    reply_return = false;
  } else {
    // Use DownloadManager's GetDownloads() method and not GetCurrentDownloads()
    // since that would be transient; a download might enter and empty out
    // the current download queue too soon to be noticed.
    profile_->GetDownloadManager()->GetDownloads(&observer, L"");
    downloads = observer.Downloads();
  }

  std::map<DownloadItem::DownloadState, std::string> state_to_string;
  state_to_string[DownloadItem::IN_PROGRESS] = std::string("IN_PROGRESS");
  state_to_string[DownloadItem::CANCELLED] = std::string("CANCELLED");
  state_to_string[DownloadItem::REMOVING] = std::string("REMOVING");
  state_to_string[DownloadItem::COMPLETE] = std::string("COMPLETE");

  std::map<DownloadItem::SafetyState, std::string> safety_state_to_string;
  safety_state_to_string[DownloadItem::SAFE] = std::string("SAFE");
  safety_state_to_string[DownloadItem::DANGEROUS] = std::string("DANGEROUS");
  safety_state_to_string[DownloadItem::DANGEROUS_BUT_VALIDATED] =
      std::string("DANGEROUS_BUT_VALIDATED");

  ListValue* list_of_downloads = new ListValue;
  for (std::vector<DownloadItem*>::iterator it = downloads.begin();
       it != downloads.end();
       it++) {  // Fill info about each download item.
    DictionaryValue* dl_item_value = new DictionaryValue;
    dl_item_value->SetInteger(L"id", static_cast<int>((*it)->id()));
    dl_item_value->SetString(L"url", (*it)->url().spec());
    dl_item_value->SetString(L"referrer_url", (*it)->referrer_url().spec());
    dl_item_value->SetString(L"file_name", (*it)->file_name().value());
    dl_item_value->SetString(L"full_path", (*it)->full_path().value());
    dl_item_value->SetBoolean(L"is_paused", (*it)->is_paused());
    dl_item_value->SetBoolean(L"open_when_complete",
                              (*it)->open_when_complete());
    dl_item_value->SetBoolean(L"is_extension_install",
                              (*it)->is_extension_install());
    dl_item_value->SetBoolean(L"is_temporary", (*it)->is_temporary());
    dl_item_value->SetBoolean(L"is_otr", (*it)->is_otr());  // off-the-record
    dl_item_value->SetString(L"state", state_to_string[(*it)->state()]);
    dl_item_value->SetString(L"safety_state",
                             safety_state_to_string[(*it)->safety_state()]);
    dl_item_value->SetInteger(L"PercentComplete", (*it)->PercentComplete());
    list_of_downloads->Append(dl_item_value);
  }
  return_value->Set(L"downloads", list_of_downloads);
  base::JSONWriter::Write(return_value.get(), false, &json_return);

  AutomationMsg_SendJSONRequest::WriteReplyParams(
      reply_message, json_return, reply_return);
  Send(reply_message);
  // All value objects allocated above are owned by |return_value|
  // and get freed by it.
}

void AutomationProvider::WaitForDownloadsToComplete(
    Browser* browser,
    DictionaryValue* args,
    IPC::Message* reply_message) {
  std::string json_return;
  bool reply_return = true;
  AutomationProviderDownloadManagerObserver observer;
  std::vector<DownloadItem*> downloads;

  // Look for a quick return.
  if (!profile_->HasCreatedDownloadManager()) {
    json_return = "{\"error\": \"no download manager\"}";
    reply_return = false;
  } else {
    profile_->GetDownloadManager()->GetCurrentDownloads(&observer,
                                                        FilePath());
    downloads = observer.Downloads();
    if (downloads.size() == 0) {
      json_return = "{}";
    }
  }
  if (!json_return.empty()) {
    AutomationMsg_SendJSONRequest::WriteReplyParams(
        reply_message, json_return, reply_return);
    Send(reply_message);
  }

  // The observer owns itself.  When the last observed item pings, it
  // deletes itself.
  AutomationProviderDownloadItemObserver* item_observer =
      new AutomationProviderDownloadItemObserver(
          this, reply_message, downloads.size());
  for (std::vector<DownloadItem*>::iterator i = downloads.begin();
       i != downloads.end();
       i++) {
    (*i)->AddObserver(item_observer);
  }
}

// Sample json input: { "command": "GetPrefsInfo" }
// Refer chrome/test/pyautolib/prefs_info.py for sample json output.
void AutomationProvider::GetPrefsInfo(Browser* browser,
                                      DictionaryValue* args,
                                      IPC::Message* reply_message) {
  std::string json_return;
  bool reply_return = true;

  const PrefService::PreferenceSet& prefs =
      profile_->GetPrefs()->preference_set();
  DictionaryValue* items = new DictionaryValue;
  for (PrefService::PreferenceSet::const_iterator it = prefs.begin();
       it != prefs.end(); ++it) {
    items->Set((*it)->name(), (*it)->GetValue()->DeepCopy());
  }
  scoped_ptr<DictionaryValue> return_value(new DictionaryValue);
  return_value->Set(L"prefs", items);  // return_value owns items.

  base::JSONWriter::Write(return_value.get(), false, &json_return);
  AutomationMsg_SendJSONRequest::WriteReplyParams(
      reply_message, json_return, reply_return);
  Send(reply_message);
}

// Sample json input: { "command": "SetPrefs", "path": path, "value": value }
void AutomationProvider::SetPrefs(Browser* browser,
                                  DictionaryValue* args,
                                  IPC::Message* reply_message) {
  bool reply_return = true;
  std::string json_return = "{}";
  std::wstring path;
  Value* val;
  if (args->GetString(L"path", &path) && args->Get(L"value", &val)) {
    PrefService* pref_service = profile_->GetPrefs();
    const PrefService::Preference* pref =
        pref_service->FindPreference(path.c_str());
    if (!pref) {  // Not a registered pref.
      json_return = "{\"error\": \"pref not registered.\"}";
      reply_return = false;
    } else if (pref->IsManaged()) {  // Do not attempt to change a managed pref.
      json_return = "{\"error\": \"pref is managed. cannot be changed.\"}";
      reply_return = false;
    } else {  // Set the pref.
      pref_service->Set(path.c_str(), *val);
    }
  } else {
    json_return = "{\"error\": \"no pref path or value given.\"}";
    reply_return = false;
  }

  AutomationMsg_SendJSONRequest::WriteReplyParams(
      reply_message, json_return, reply_return);
  Send(reply_message);
}

// Sample json input: { "command": "GetOmniboxInfo" }
// Refer chrome/test/pyautolib/omnibox_info.py for sample json output.
void AutomationProvider::GetOmniboxInfo(Browser* browser,
                                        DictionaryValue* args,
                                        IPC::Message* reply_message) {
  std::string json_return;
  bool reply_return = true;
  scoped_ptr<DictionaryValue> return_value(new DictionaryValue);

  LocationBar* loc_bar = browser->window()->GetLocationBar();
  AutocompleteEditView* edit_view = loc_bar->location_entry();
  AutocompleteEditModel* model = edit_view->model();

  // Fill up matches.
  ListValue* matches = new ListValue;
  const AutocompleteResult& result = model->result();
  for (AutocompleteResult::const_iterator i = result.begin();
       i != result.end(); ++i) {
    const AutocompleteMatch& match = *i;
    DictionaryValue* item = new DictionaryValue;  // owned by return_value
    item->SetString(L"type", AutocompleteMatch::TypeToString(match.type));
    item->SetBoolean(L"starred", match.starred);
    item->SetString(L"destination_url", match.destination_url.spec());
    item->SetString(L"contents", match.contents);
    item->SetString(L"description", match.description);
    matches->Append(item);
  }
  return_value->Set(L"matches", matches);

  // Fill up other properties.
  DictionaryValue* properties = new DictionaryValue;  // owned by return_value
  properties->SetBoolean(L"has_focus", model->has_focus());
  properties->SetBoolean(L"query_in_progress", model->query_in_progress());
  properties->SetString(L"keyword", model->keyword());
  properties->SetString(L"text", edit_view->GetText());
  return_value->Set(L"properties", properties);

  base::JSONWriter::Write(return_value.get(), false, &json_return);
  AutomationMsg_SendJSONRequest::WriteReplyParams(
      reply_message, json_return, reply_return);
  Send(reply_message);
}

// Sample json input: { "command": "SetOmniboxText",
//                      "text": "goog" }
void AutomationProvider::SetOmniboxText(Browser* browser,
                                        DictionaryValue* args,
                                        IPC::Message* reply_message) {
  std::string json_return = "{}";
  bool reply_return = true;
  std::wstring text;

  if (!args->GetString(L"text", &text)) {
    json_return = "{\"error\": \"text missing\"}";
    reply_return = false;
  } else {
    browser->FocusLocationBar();
    LocationBar* loc_bar = browser->window()->GetLocationBar();
    AutocompleteEditView* edit_view = loc_bar->location_entry();
    edit_view->model()->OnSetFocus(false);
    edit_view->SetUserText(text);
  }

  AutomationMsg_SendJSONRequest::WriteReplyParams(
      reply_message, json_return, reply_return);
  Send(reply_message);
}

// Sample json input: { "command": "OmniboxMovePopupSelection",
//                      "count": 1 }
// Negative count implies up, positive implies down. Count values will be
// capped by the size of the popup list.
void AutomationProvider::OmniboxMovePopupSelection(
    Browser* browser,
    DictionaryValue* args,
    IPC::Message* reply_message) {
  std::string json_return = "{}";
  bool reply_return = true;
  int count;

  if (!args->GetInteger(L"count", &count)) {
    json_return = "{\"error\": \"count missing\"}";
    reply_return = false;
  } else {
    LocationBar* loc_bar = browser->window()->GetLocationBar();
    AutocompleteEditModel* model = loc_bar->location_entry()->model();
    model->OnUpOrDownKeyPressed(count);
  }

  AutomationMsg_SendJSONRequest::WriteReplyParams(
      reply_message, json_return, reply_return);
  Send(reply_message);
}

// Sample json input: { "command": "OmniboxAcceptInput" }
void AutomationProvider::OmniboxAcceptInput(Browser* browser,
                                            DictionaryValue* args,
                                            IPC::Message* reply_message) {
  NavigationController& controller =
      browser->GetSelectedTabContents()->controller();
  // Setup observer to wait until the selected item loads.
  NotificationObserver* observer =
      new OmniboxAcceptNotificationObserver(&controller, this, reply_message);
  notification_observer_list_.AddObserver(observer);

  browser->window()->GetLocationBar()->AcceptInput();
}

// Sample json input: { "command": "GetPluginsInfo" }
// Refer chrome/test/pyautolib/plugins_info.py for sample json output.
void AutomationProvider::GetPluginsInfo(Browser* browser,
                                        DictionaryValue* args,
                                        IPC::Message* reply_message) {
  std::string json_return;
  bool reply_return = true;

  std::vector<WebPluginInfo> plugins;
  NPAPI::PluginList::Singleton()->GetPlugins(false, &plugins);
  ListValue* items = new ListValue;
  for (std::vector<WebPluginInfo>::const_iterator it = plugins.begin();
       it != plugins.end();
       ++it) {
    DictionaryValue* item = new DictionaryValue;
    item->SetString(L"name", it->name);
    item->SetString(L"path", it->path.value());
    item->SetString(L"version", it->version);
    item->SetString(L"desc", it->desc);
    item->SetBoolean(L"enabled", it->enabled);
    // Add info about mime types.
    ListValue* mime_types = new ListValue();
    for (std::vector<WebPluginMimeType>::const_iterator type_it =
             it->mime_types.begin();
         type_it != it->mime_types.end();
         ++type_it) {
      DictionaryValue* mime_type = new DictionaryValue();
      mime_type->SetString(L"mimeType", type_it->mime_type);
      mime_type->SetString(L"description", type_it->description);

      ListValue* file_extensions = new ListValue();
      for (std::vector<std::string>::const_iterator ext_it =
               type_it->file_extensions.begin();
           ext_it != type_it->file_extensions.end();
           ++ext_it) {
        file_extensions->Append(new StringValue(*ext_it));
      }
      mime_type->Set(L"fileExtensions", file_extensions);

      mime_types->Append(mime_type);
    }
    item->Set(L"mimeTypes", mime_types);
    items->Append(item);
  }
  scoped_ptr<DictionaryValue> return_value(new DictionaryValue);
  return_value->Set(L"plugins", items);  // return_value owns items.

  base::JSONWriter::Write(return_value.get(), false, &json_return);
  AutomationMsg_SendJSONRequest::WriteReplyParams(
      reply_message, json_return, reply_return);
  Send(reply_message);
}

// Sample json input:
//    { "command": "EnablePlugin",
//      "path": "/Library/Internet Plug-Ins/Flash Player.plugin" }
void AutomationProvider::EnablePlugin(Browser* browser,
                                      DictionaryValue* args,
                                      IPC::Message* reply_message) {
  std::string json_return = "{}";
  bool reply_return = true;
  FilePath::StringType path;
  if (!args->GetString(L"path", &path)) {
    json_return = "{\"error\": \"path not specified.\"}";
    reply_return = false;
  } else if (!NPAPI::PluginList::Singleton()->EnablePlugin(FilePath(path))) {
    json_return = StringPrintf("{\"error\": \"Could not enable plugin"
                               " for path %s.\"}", path.c_str());
    reply_return = false;
  }

  AutomationMsg_SendJSONRequest::WriteReplyParams(
      reply_message, json_return, reply_return);
  Send(reply_message);
}

// Sample json input:
//    { "command": "DisablePlugin",
//      "path": "/Library/Internet Plug-Ins/Flash Player.plugin" }
void AutomationProvider::DisablePlugin(Browser* browser,
                                       DictionaryValue* args,
                                       IPC::Message* reply_message) {
  std::string json_return = "{}";
  bool reply_return = true;
  FilePath::StringType path;
  if (!args->GetString(L"path", &path)) {
    json_return = "{\"error\": \"path not specified.\"}";
    reply_return = false;
  } else if (!NPAPI::PluginList::Singleton()->DisablePlugin(FilePath(path))) {
    json_return = StringPrintf("{\"error\": \"Could not enable plugin"
                               " for path %s.\"}", path.c_str());
    reply_return = false;
  }

  AutomationMsg_SendJSONRequest::WriteReplyParams(
      reply_message, json_return, reply_return);
  Send(reply_message);
}

void AutomationProvider::SendJSONRequest(int handle,
                                         std::string json_request,
                                         IPC::Message* reply_message) {
  Browser* browser = NULL;
  std::string error_string;
  scoped_ptr<Value> values;

  // Basic error checking.
  if (browser_tracker_->ContainsHandle(handle)) {
    browser = browser_tracker_->GetResource(handle);
  }
  if (!browser) {
    error_string = "no browser object";
  } else {
    base::JSONReader reader;
    std::string error;
    values.reset(reader.ReadAndReturnError(json_request, true, NULL, &error));
    if (!error.empty()) {
      error_string = error;
    }
  }

  // Make sure input is a dict with a string command.
  std::string command;
  DictionaryValue* dict_value = NULL;
  if (error_string.empty()) {
    if (values->GetType() != Value::TYPE_DICTIONARY) {
      error_string = "not a dict or no command key in dict";
    } else {
      // Ownership remains with "values" variable.
      dict_value = static_cast<DictionaryValue*>(values.get());
      if (!dict_value->GetStringASCII(std::string("command"), &command)) {
        error_string = "no command key in dict or not a string command";
      }
    }
  }

  // Map json commands to their handlers.
  std::map<std::string, JsonHandler> handler_map;
  handler_map["DisablePlugin"] = &AutomationProvider::DisablePlugin;
  handler_map["EnablePlugin"] = &AutomationProvider::EnablePlugin;
  handler_map["GetPluginsInfo"] = &AutomationProvider::GetPluginsInfo;

  handler_map["GetBrowserInfo"] = &AutomationProvider::GetBrowserInfo;

  handler_map["GetHistoryInfo"] = &AutomationProvider::GetHistoryInfo;
  handler_map["AddHistoryItem"] = &AutomationProvider::AddHistoryItem;

  handler_map["GetOmniboxInfo"] = &AutomationProvider::GetOmniboxInfo;
  handler_map["SetOmniboxText"] = &AutomationProvider::SetOmniboxText;
  handler_map["OmniboxAcceptInput"] = &AutomationProvider::OmniboxAcceptInput;
  handler_map["OmniboxMovePopupSelection"] =
      &AutomationProvider::OmniboxMovePopupSelection;

  handler_map["GetPrefsInfo"] = &AutomationProvider::GetPrefsInfo;
  handler_map["SetPrefs"] = &AutomationProvider::SetPrefs;

  handler_map["SetWindowDimensions"] = &AutomationProvider::SetWindowDimensions;

  handler_map["GetDownloadsInfo"] = &AutomationProvider::GetDownloadsInfo;
  handler_map["WaitForAllDownloadsToComplete"] =
      &AutomationProvider::WaitForDownloadsToComplete;

  if (error_string.empty()) {
    if (handler_map.find(std::string(command)) != handler_map.end()) {
      (this->*handler_map[command])(browser, dict_value, reply_message);
      return;
    } else {
      error_string = "Unknown command. Options: ";
      for (std::map<std::string, JsonHandler>::const_iterator it =
           handler_map.begin(); it != handler_map.end(); ++it) {
        error_string += it->first + ", ";
      }
    }
  }

  // If we hit an error, return info.
  // Return a dict of {"error", "descriptive_string_for_error"}.
  // Else return an empty dict.
  std::string json_string;
  bool success = true;
  if (!error_string.empty()) {
    scoped_ptr<DictionaryValue> dict(new DictionaryValue);
    dict->SetString(L"error", error_string);
    base::JSONWriter::Write(dict.get(), false, &json_string);
    success = false;
  } else {
    json_string = "{}";
  }
  AutomationMsg_SendJSONRequest::WriteReplyParams(
      reply_message, json_string, success);
  Send(reply_message);
}

void AutomationProvider::HandleInspectElementRequest(
    int handle, int x, int y, IPC::Message* reply_message) {
  TabContents* tab_contents = GetTabContentsForHandle(handle, NULL);
  if (tab_contents) {
    DCHECK(reply_message_ == NULL);
    reply_message_ = reply_message;

    DevToolsManager::GetInstance()->InspectElement(
        tab_contents->render_view_host(), x, y);
  } else {
    AutomationMsg_InspectElement::WriteReplyParams(reply_message, -1);
    Send(reply_message);
  }
}

void AutomationProvider::ReceivedInspectElementResponse(int num_resources) {
  if (reply_message_) {
    AutomationMsg_InspectElement::WriteReplyParams(reply_message_,
                                                   num_resources);
    Send(reply_message_);
    reply_message_ = NULL;
  }
}

class SetProxyConfigTask : public Task {
 public:
  SetProxyConfigTask(URLRequestContextGetter* request_context_getter,
                     const std::string& new_proxy_config)
      : request_context_getter_(request_context_getter),
        proxy_config_(new_proxy_config) {}
  virtual void Run() {
    // First, deserialize the JSON string. If this fails, log and bail.
    JSONStringValueSerializer deserializer(proxy_config_);
    std::string error_msg;
    scoped_ptr<Value> root(deserializer.Deserialize(NULL, &error_msg));
    if (!root.get() || root->GetType() != Value::TYPE_DICTIONARY) {
      DLOG(WARNING) << "Received bad JSON string for ProxyConfig: "
                    << error_msg;
      return;
    }

    scoped_ptr<DictionaryValue> dict(
        static_cast<DictionaryValue*>(root.release()));
    // Now put together a proxy configuration from the deserialized string.
    net::ProxyConfig pc;
    PopulateProxyConfig(*dict.get(), &pc);

    net::ProxyService* proxy_service =
        request_context_getter_->GetURLRequestContext()->proxy_service();
    DCHECK(proxy_service);
    scoped_ptr<net::ProxyConfigService> proxy_config_service(
        new net::ProxyConfigServiceFixed(pc));
    proxy_service->ResetConfigService(proxy_config_service.release());
  }

  void PopulateProxyConfig(const DictionaryValue& dict, net::ProxyConfig* pc) {
    DCHECK(pc);
    bool no_proxy = false;
    if (dict.GetBoolean(automation::kJSONProxyNoProxy, &no_proxy)) {
      // Make no changes to the ProxyConfig.
      return;
    }
    bool auto_config;
    if (dict.GetBoolean(automation::kJSONProxyAutoconfig, &auto_config)) {
      pc->set_auto_detect(true);
    }
    std::string pac_url;
    if (dict.GetString(automation::kJSONProxyPacUrl, &pac_url)) {
      pc->set_pac_url(GURL(pac_url));
    }
    std::string proxy_bypass_list;
    if (dict.GetString(automation::kJSONProxyBypassList, &proxy_bypass_list)) {
      pc->proxy_rules().bypass_rules.ParseFromString(proxy_bypass_list);
    }
    std::string proxy_server;
    if (dict.GetString(automation::kJSONProxyServer, &proxy_server)) {
      pc->proxy_rules().ParseFromString(proxy_server);
    }
  }

 private:
  scoped_refptr<URLRequestContextGetter> request_context_getter_;
  std::string proxy_config_;
};


void AutomationProvider::SetProxyConfig(const std::string& new_proxy_config) {
  URLRequestContextGetter* context_getter = Profile::GetDefaultRequestContext();
  if (!context_getter) {
    FilePath user_data_dir;
    PathService::Get(chrome::DIR_USER_DATA, &user_data_dir);
    ProfileManager* profile_manager = g_browser_process->profile_manager();
    DCHECK(profile_manager);
    Profile* profile = profile_manager->GetDefaultProfile(user_data_dir);
    DCHECK(profile);
    context_getter = profile->GetRequestContext();
  }
  DCHECK(context_getter);

  ChromeThread::PostTask(
      ChromeThread::IO, FROM_HERE,
      new SetProxyConfigTask(context_getter, new_proxy_config));
}

void AutomationProvider::GetDownloadDirectory(
    int handle, FilePath* download_directory) {
  DLOG(INFO) << "Handling download directory request";
  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);
    DownloadManager* dlm = tab->profile()->GetDownloadManager();
    DCHECK(dlm);
    *download_directory = dlm->download_path();
  }
}

void AutomationProvider::OpenNewBrowserWindow(bool show,
                                              IPC::Message* reply_message) {
  OpenNewBrowserWindowOfType(static_cast<int>(Browser::TYPE_NORMAL), show,
                             reply_message);
}

void AutomationProvider::OpenNewBrowserWindowOfType(
    int type, bool show, IPC::Message* reply_message) {
  new BrowserOpenedNotificationObserver(this, reply_message);
  // We may have no current browser windows open so don't rely on
  // asking an existing browser to execute the IDC_NEWWINDOW command
  Browser* browser = new Browser(static_cast<Browser::Type>(type), profile_);
  browser->CreateBrowserWindow();
  browser->AddBlankTab(true);
  if (show)
    browser->window()->Show();
}

void AutomationProvider::GetWindowForBrowser(int browser_handle,
                                             bool* success,
                                             int* handle) {
  *success = false;
  *handle = 0;

  if (browser_tracker_->ContainsHandle(browser_handle)) {
    Browser* browser = browser_tracker_->GetResource(browser_handle);
    gfx::NativeWindow win = browser->window()->GetNativeHandle();
    // Add() returns the existing handle for the resource if any.
    *handle = window_tracker_->Add(win);
    *success = true;
  }
}

void AutomationProvider::GetAutocompleteEditForBrowser(
    int browser_handle,
    bool* success,
    int* autocomplete_edit_handle) {
  *success = false;
  *autocomplete_edit_handle = 0;

  if (browser_tracker_->ContainsHandle(browser_handle)) {
    Browser* browser = browser_tracker_->GetResource(browser_handle);
    LocationBar* loc_bar = browser->window()->GetLocationBar();
    AutocompleteEditView* edit_view = loc_bar->location_entry();
    // Add() returns the existing handle for the resource if any.
    *autocomplete_edit_handle = autocomplete_edit_tracker_->Add(edit_view);
    *success = true;
  }
}

void AutomationProvider::ShowInterstitialPage(int tab_handle,
                                              const std::string& html_text,
                                              IPC::Message* reply_message) {
  if (tab_tracker_->ContainsHandle(tab_handle)) {
    NavigationController* controller = tab_tracker_->GetResource(tab_handle);
    TabContents* tab_contents = controller->tab_contents();

    AddNavigationStatusListener(controller, reply_message, 1, false);
    AutomationInterstitialPage* interstitial =
        new AutomationInterstitialPage(tab_contents,
                                       GURL("about:interstitial"),
                                       html_text);
    interstitial->Show();
    return;
  }

  AutomationMsg_ShowInterstitialPage::WriteReplyParams(
      reply_message, AUTOMATION_MSG_NAVIGATION_ERROR);
  Send(reply_message);
}

void AutomationProvider::HideInterstitialPage(int tab_handle,
                                              bool* success) {
  *success = false;
  TabContents* tab_contents = GetTabContentsForHandle(tab_handle, NULL);
  if (tab_contents && tab_contents->interstitial_page()) {
    tab_contents->interstitial_page()->DontProceed();
    *success = true;
  }
}

void AutomationProvider::CloseTab(int tab_handle,
                                  bool wait_until_closed,
                                  IPC::Message* reply_message) {
  if (tab_tracker_->ContainsHandle(tab_handle)) {
    NavigationController* controller = tab_tracker_->GetResource(tab_handle);
    int index;
    Browser* browser = Browser::GetBrowserForController(controller, &index);
    DCHECK(browser);
    new TabClosedNotificationObserver(this, wait_until_closed, reply_message);
    browser->CloseContents(controller->tab_contents());
    return;
  }

  AutomationMsg_CloseTab::WriteReplyParams(reply_message, false);
  Send(reply_message);
}

void AutomationProvider::CloseBrowser(int browser_handle,
                                      IPC::Message* reply_message) {
  if (browser_tracker_->ContainsHandle(browser_handle)) {
    Browser* browser = browser_tracker_->GetResource(browser_handle);
    new BrowserClosedNotificationObserver(browser, this,
                                          reply_message);
    browser->window()->Close();
  } else {
    NOTREACHED();
  }
}

void AutomationProvider::CloseBrowserAsync(int browser_handle) {
  if (browser_tracker_->ContainsHandle(browser_handle)) {
    Browser* browser = browser_tracker_->GetResource(browser_handle);
    browser->window()->Close();
  } else {
    NOTREACHED();
  }
}

void AutomationProvider::NavigateInExternalTab(
    int handle, const GURL& url, const GURL& referrer,
    AutomationMsg_NavigationResponseValues* status) {
  *status = AUTOMATION_MSG_NAVIGATION_ERROR;

  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);
    tab->LoadURL(url, referrer, PageTransition::TYPED);
    *status = AUTOMATION_MSG_NAVIGATION_SUCCESS;
  }
}

void AutomationProvider::NavigateExternalTabAtIndex(
    int handle, int navigation_index,
    AutomationMsg_NavigationResponseValues* status) {
  *status = AUTOMATION_MSG_NAVIGATION_ERROR;

  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);
    tab->GoToIndex(navigation_index);
    *status = AUTOMATION_MSG_NAVIGATION_SUCCESS;
  }
}

void AutomationProvider::WaitForTabToBeRestored(int tab_handle,
                                                IPC::Message* reply_message) {
  if (tab_tracker_->ContainsHandle(tab_handle)) {
    NavigationController* tab = tab_tracker_->GetResource(tab_handle);
    restore_tracker_.reset(
        new NavigationControllerRestoredObserver(this, tab, reply_message));
  }
}

void AutomationProvider::GetSecurityState(int handle, bool* success,
                                          SecurityStyle* security_style,
                                          int* ssl_cert_status,
                                          int* insecure_content_status) {
  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);
    NavigationEntry* entry = tab->GetActiveEntry();
    *success = true;
    *security_style = entry->ssl().security_style();
    *ssl_cert_status = entry->ssl().cert_status();
    *insecure_content_status = entry->ssl().content_status();
  } else {
    *success = false;
    *security_style = SECURITY_STYLE_UNKNOWN;
    *ssl_cert_status = 0;
    *insecure_content_status = 0;
  }
}

void AutomationProvider::GetPageType(int handle, bool* success,
                                     NavigationEntry::PageType* page_type) {
  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);
    NavigationEntry* entry = tab->GetActiveEntry();
    *page_type = entry->page_type();
    *success = true;
    // In order to return the proper result when an interstitial is shown and
    // no navigation entry were created for it we need to ask the TabContents.
    if (*page_type == NavigationEntry::NORMAL_PAGE &&
        tab->tab_contents()->showing_interstitial_page())
      *page_type = NavigationEntry::INTERSTITIAL_PAGE;
  } else {
    *success = false;
    *page_type = NavigationEntry::NORMAL_PAGE;
  }
}

void AutomationProvider::GetMetricEventDuration(const std::string& event_name,
                                                int* duration_ms) {
  *duration_ms = metric_event_duration_observer_->GetEventDurationMs(
      event_name);
}

void AutomationProvider::ActionOnSSLBlockingPage(int handle, bool proceed,
                                                 IPC::Message* reply_message) {
  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);
    NavigationEntry* entry = tab->GetActiveEntry();
    if (entry->page_type() == NavigationEntry::INTERSTITIAL_PAGE) {
      TabContents* tab_contents = tab->tab_contents();
      InterstitialPage* ssl_blocking_page =
          InterstitialPage::GetInterstitialPage(tab_contents);
      if (ssl_blocking_page) {
        if (proceed) {
          AddNavigationStatusListener(tab, reply_message, 1, false);
          ssl_blocking_page->Proceed();
          return;
        }
        ssl_blocking_page->DontProceed();
        AutomationMsg_ActionOnSSLBlockingPage::WriteReplyParams(
            reply_message, AUTOMATION_MSG_NAVIGATION_SUCCESS);
        Send(reply_message);
        return;
      }
    }
  }
  // We failed.
  AutomationMsg_ActionOnSSLBlockingPage::WriteReplyParams(
      reply_message, AUTOMATION_MSG_NAVIGATION_ERROR);
  Send(reply_message);
}

void AutomationProvider::BringBrowserToFront(int browser_handle,
                                             bool* success) {
  if (browser_tracker_->ContainsHandle(browser_handle)) {
    Browser* browser = browser_tracker_->GetResource(browser_handle);
    browser->window()->Activate();
    *success = true;
  } else {
    *success = false;
  }
}

void AutomationProvider::IsPageMenuCommandEnabled(int browser_handle,
                                                  int message_num,
                                                  bool* menu_item_enabled) {
  if (browser_tracker_->ContainsHandle(browser_handle)) {
    Browser* browser = browser_tracker_->GetResource(browser_handle);
    *menu_item_enabled =
        browser->command_updater()->IsCommandEnabled(message_num);
  } else {
    *menu_item_enabled = false;
  }
}

void AutomationProvider::PrintNow(int tab_handle,
                                  IPC::Message* reply_message) {
  NavigationController* tab = NULL;
  TabContents* tab_contents = GetTabContentsForHandle(tab_handle, &tab);
  if (tab_contents) {
    FindAndActivateTab(tab);
    notification_observer_list_.AddObserver(
        new DocumentPrintedNotificationObserver(this, reply_message));
    if (tab_contents->PrintNow())
      return;
  }
  AutomationMsg_PrintNow::WriteReplyParams(reply_message, false);
  Send(reply_message);
}

void AutomationProvider::SavePage(int tab_handle,
                                  const FilePath& file_name,
                                  const FilePath& dir_path,
                                  int type,
                                  bool* success) {
  if (!tab_tracker_->ContainsHandle(tab_handle)) {
    *success = false;
    return;
  }

  NavigationController* nav = tab_tracker_->GetResource(tab_handle);
  Browser* browser = FindAndActivateTab(nav);
  DCHECK(browser);
  if (!browser->command_updater()->IsCommandEnabled(IDC_SAVE_PAGE)) {
    *success = false;
    return;
  }

  SavePackage::SavePackageType save_type =
      static_cast<SavePackage::SavePackageType>(type);
  DCHECK(save_type >= SavePackage::SAVE_AS_ONLY_HTML &&
         save_type <= SavePackage::SAVE_AS_COMPLETE_HTML);
  nav->tab_contents()->SavePage(file_name, dir_path, save_type);

  *success = true;
}

void AutomationProvider::GetAutocompleteEditText(int autocomplete_edit_handle,
                                                 bool* success,
                                                 std::wstring* text) {
  *success = false;
  if (autocomplete_edit_tracker_->ContainsHandle(autocomplete_edit_handle)) {
    *text = autocomplete_edit_tracker_->GetResource(autocomplete_edit_handle)->
        GetText();
    *success = true;
  }
}

void AutomationProvider::SetAutocompleteEditText(int autocomplete_edit_handle,
                                                 const std::wstring& text,
                                                 bool* success) {
  *success = false;
  if (autocomplete_edit_tracker_->ContainsHandle(autocomplete_edit_handle)) {
    autocomplete_edit_tracker_->GetResource(autocomplete_edit_handle)->
        SetUserText(text);
    *success = true;
  }
}

void AutomationProvider::AutocompleteEditGetMatches(
    int autocomplete_edit_handle,
    bool* success,
    std::vector<AutocompleteMatchData>* matches) {
  *success = false;
  if (autocomplete_edit_tracker_->ContainsHandle(autocomplete_edit_handle)) {
    const AutocompleteResult& result = autocomplete_edit_tracker_->
        GetResource(autocomplete_edit_handle)->model()->result();
    for (AutocompleteResult::const_iterator i = result.begin();
        i != result.end(); ++i)
      matches->push_back(AutocompleteMatchData(*i));
    *success = true;
  }
}

void AutomationProvider::AutocompleteEditIsQueryInProgress(
    int autocomplete_edit_handle,
    bool* success,
    bool* query_in_progress) {
  *success = false;
  *query_in_progress = false;
  if (autocomplete_edit_tracker_->ContainsHandle(autocomplete_edit_handle)) {
    *query_in_progress = autocomplete_edit_tracker_->
        GetResource(autocomplete_edit_handle)->model()->query_in_progress();
    *success = true;
  }
}

#if !defined(OS_MACOSX)
void AutomationProvider::OnMessageFromExternalHost(int handle,
                                                   const std::string& message,
                                                   const std::string& origin,
                                                   const std::string& target) {
  RenderViewHost* view_host = GetViewForTab(handle);
  if (!view_host) {
    return;
  }

  if (AutomationExtensionFunction::InterceptMessageFromExternalHost(
      view_host, message, origin, target)) {
    // Message was diverted.
    return;
  }

  if (ExtensionPortContainer::InterceptMessageFromExternalHost(message,
      origin, target, this, view_host, handle)) {
    // Message was diverted.
    return;
  }

  if (InterceptBrowserEventMessageFromExternalHost(message, origin, target)) {
    // Message was diverted.
    return;
  }

  view_host->ForwardMessageFromExternalHost(message, origin, target);
}

bool AutomationProvider::InterceptBrowserEventMessageFromExternalHost(
      const std::string& message, const std::string& origin,
      const std::string& target) {
  if (target !=
      extension_automation_constants::kAutomationBrowserEventRequestTarget)
    return false;

  if (origin != extension_automation_constants::kAutomationOrigin) {
    LOG(WARNING) << "Wrong origin on automation browser event " << origin;
    return false;
  }

  // The message is a JSON-encoded array with two elements, both strings. The
  // first is the name of the event to dispatch.  The second is a JSON-encoding
  // of the arguments specific to that event.
  scoped_ptr<Value> message_value(base::JSONReader::Read(message, false));
  if (!message_value.get() || !message_value->IsType(Value::TYPE_LIST)) {
    LOG(WARNING) << "Invalid browser event specified through automation";
    return false;
  }

  const ListValue* args = static_cast<const ListValue*>(message_value.get());

  std::string event_name;
  if (!args->GetString(0, &event_name)) {
    LOG(WARNING) << "No browser event name specified through automation";
    return false;
  }

  std::string json_args;
  if (!args->GetString(1, &json_args)) {
    LOG(WARNING) << "No browser event args specified through automation";
    return false;
  }

  if (profile()->GetExtensionMessageService()) {
    profile()->GetExtensionMessageService()->DispatchEventToRenderers(
        event_name, json_args, profile()->IsOffTheRecord(), GURL());
  }

  return true;
}
#endif  // !defined(OS_MACOSX)

TabContents* AutomationProvider::GetTabContentsForHandle(
    int handle, NavigationController** tab) {
  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* nav_controller = tab_tracker_->GetResource(handle);
    if (tab)
      *tab = nav_controller;
    return nav_controller->tab_contents();
  }
  return NULL;
}

TestingAutomationProvider::TestingAutomationProvider(Profile* profile)
    : AutomationProvider(profile) {
  BrowserList::AddObserver(this);
  registrar_.Add(this, NotificationType::SESSION_END,
                 NotificationService::AllSources());
}

TestingAutomationProvider::~TestingAutomationProvider() {
  BrowserList::RemoveObserver(this);
}

void TestingAutomationProvider::OnChannelError() {
  BrowserList::CloseAllBrowsersAndExit();
  AutomationProvider::OnChannelError();
}

void TestingAutomationProvider::OnBrowserRemoving(const Browser* browser) {
  // For backwards compatibility with the testing automation interface, we
  // want the automation provider (and hence the process) to go away when the
  // last browser goes away.
  if (BrowserList::size() == 1) {
    // If you change this, update Observer for NotificationType::SESSION_END
    // below.
    MessageLoop::current()->PostTask(FROM_HERE,
        NewRunnableMethod(this, &TestingAutomationProvider::OnRemoveProvider));
  }
}

void TestingAutomationProvider::Observe(NotificationType type,
                                        const NotificationSource& source,
                                        const NotificationDetails& details) {
  DCHECK(type == NotificationType::SESSION_END);
  // OnBrowserRemoving does a ReleaseLater. When session end is received we exit
  // before the task runs resulting in this object not being deleted. This
  // Release balance out the Release scheduled by OnBrowserRemoving.
  Release();
}

void TestingAutomationProvider::OnRemoveProvider() {
  AutomationProviderList::GetInstance()->RemoveProvider(this);
}

void AutomationProvider::GetInfoBarCount(int handle, int* count) {
  *count = -1;  // -1 means error.
  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* nav_controller = tab_tracker_->GetResource(handle);
    if (nav_controller)
      *count = nav_controller->tab_contents()->infobar_delegate_count();
  }
}

void AutomationProvider::ClickInfoBarAccept(int handle,
                                            int info_bar_index,
                                            bool wait_for_navigation,
                                            IPC::Message* reply_message) {
  bool success = false;
  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* nav_controller = tab_tracker_->GetResource(handle);
    if (nav_controller) {
      int count = nav_controller->tab_contents()->infobar_delegate_count();
      if (info_bar_index >= 0 && info_bar_index < count) {
        if (wait_for_navigation) {
          AddNavigationStatusListener(nav_controller, reply_message, 1, false);
        }
        InfoBarDelegate* delegate =
            nav_controller->tab_contents()->GetInfoBarDelegateAt(
                info_bar_index);
        if (delegate->AsConfirmInfoBarDelegate())
          delegate->AsConfirmInfoBarDelegate()->Accept();
        success = true;
      }
    }
  }

  // This "!wait_for_navigation || !success condition" logic looks suspicious.
  // It will send a failure message when success is true but
  // |wait_for_navigation| is false.
  // TODO(phajdan.jr): investgate whether the reply param (currently
  // AUTOMATION_MSG_NAVIGATION_ERROR) should depend on success.
  if (!wait_for_navigation || !success)
    AutomationMsg_ClickInfoBarAccept::WriteReplyParams(
        reply_message, AUTOMATION_MSG_NAVIGATION_ERROR);
}

void AutomationProvider::GetLastNavigationTime(int handle,
                                               int64* last_navigation_time) {
  Time time = tab_tracker_->GetLastNavigationTime(handle);
  *last_navigation_time = time.ToInternalValue();
}

void AutomationProvider::WaitForNavigation(int handle,
                                           int64 last_navigation_time,
                                           IPC::Message* reply_message) {
  NavigationController* controller = tab_tracker_->GetResource(handle);
  Time time = tab_tracker_->GetLastNavigationTime(handle);

  if (time.ToInternalValue() > last_navigation_time || !controller) {
    AutomationMsg_WaitForNavigation::WriteReplyParams(reply_message,
        controller == NULL ? AUTOMATION_MSG_NAVIGATION_ERROR :
                             AUTOMATION_MSG_NAVIGATION_SUCCESS);
    Send(reply_message);
    return;
  }

  AddNavigationStatusListener(controller, reply_message, 1, true);
}

void AutomationProvider::SetIntPreference(int handle,
                                          const std::wstring& name,
                                          int value,
                                          bool* success) {
  *success = false;
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    browser->profile()->GetPrefs()->SetInteger(name.c_str(), value);
    *success = true;
  }
}

void AutomationProvider::SetStringPreference(int handle,
                                             const std::wstring& name,
                                             const std::wstring& value,
                                             bool* success) {
  *success = false;
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    browser->profile()->GetPrefs()->SetString(name.c_str(), value);
    *success = true;
  }
}

void AutomationProvider::GetBooleanPreference(int handle,
                                              const std::wstring& name,
                                              bool* success,
                                              bool* value) {
  *success = false;
  *value = false;
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    *value = browser->profile()->GetPrefs()->GetBoolean(name.c_str());
    *success = true;
  }
}

void AutomationProvider::SetBooleanPreference(int handle,
                                              const std::wstring& name,
                                              bool value,
                                              bool* success) {
  *success = false;
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    browser->profile()->GetPrefs()->SetBoolean(name.c_str(), value);
    *success = true;
  }
}

// Gets the current used encoding name of the page in the specified tab.
void AutomationProvider::GetPageCurrentEncoding(
    int tab_handle, std::string* current_encoding) {
  if (tab_tracker_->ContainsHandle(tab_handle)) {
    NavigationController* nav = tab_tracker_->GetResource(tab_handle);
    Browser* browser = FindAndActivateTab(nav);
    DCHECK(browser);

    if (browser->command_updater()->IsCommandEnabled(IDC_ENCODING_MENU))
      *current_encoding = nav->tab_contents()->encoding();
  }
}

// Gets the current used encoding name of the page in the specified tab.
void AutomationProvider::OverrideEncoding(int tab_handle,
                                          const std::string& encoding_name,
                                          bool* success) {
  *success = false;
  if (tab_tracker_->ContainsHandle(tab_handle)) {
    NavigationController* nav = tab_tracker_->GetResource(tab_handle);
    if (!nav)
      return;
    Browser* browser = FindAndActivateTab(nav);

    // If the browser has UI, simulate what a user would do.
    // Activate the tab and then click the encoding menu.
    if (browser &&
        browser->command_updater()->IsCommandEnabled(IDC_ENCODING_MENU)) {
      int selected_encoding_id =
          CharacterEncoding::GetCommandIdByCanonicalEncodingName(encoding_name);
      if (selected_encoding_id) {
        browser->OverrideEncoding(selected_encoding_id);
        *success = true;
      }
    } else {
      // There is no UI, Chrome probably runs as Chrome-Frame mode.
      // Try to get TabContents and call its override_encoding method.
      TabContents* contents = nav->tab_contents();
      if (!contents)
        return;
      const std::string selected_encoding =
          CharacterEncoding::GetCanonicalEncodingNameByAliasName(encoding_name);
      if (selected_encoding.empty())
        return;
      contents->SetOverrideEncoding(selected_encoding);
    }
  }
}

void AutomationProvider::SavePackageShouldPromptUser(bool should_prompt) {
  SavePackage::SetShouldPromptUser(should_prompt);
}

void AutomationProvider::GetBlockedPopupCount(int handle, int* count) {
  *count = -1;  // -1 is the error code
  if (tab_tracker_->ContainsHandle(handle)) {
      NavigationController* nav_controller = tab_tracker_->GetResource(handle);
      TabContents* tab_contents = nav_controller->tab_contents();
      if (tab_contents) {
        BlockedPopupContainer* container =
            tab_contents->blocked_popup_container();
        if (container) {
          *count = static_cast<int>(container->GetBlockedPopupCount());
        } else {
          // If we don't have a container, we don't have any blocked popups to
          // contain!
          *count = 0;
        }
      }
  }
}

void AutomationProvider::SelectAll(int tab_handle) {
  RenderViewHost* view = GetViewForTab(tab_handle);
  if (!view) {
    NOTREACHED();
    return;
  }

  view->SelectAll();
}

void AutomationProvider::Cut(int tab_handle) {
  RenderViewHost* view = GetViewForTab(tab_handle);
  if (!view) {
    NOTREACHED();
    return;
  }

  view->Cut();
}

void AutomationProvider::Copy(int tab_handle) {
  RenderViewHost* view = GetViewForTab(tab_handle);
  if (!view) {
    NOTREACHED();
    return;
  }

  view->Copy();
}

void AutomationProvider::Paste(int tab_handle) {
  RenderViewHost* view = GetViewForTab(tab_handle);
  if (!view) {
    NOTREACHED();
    return;
  }

  view->Paste();
}

void AutomationProvider::ReloadAsync(int tab_handle) {
  if (tab_tracker_->ContainsHandle(tab_handle)) {
    NavigationController* tab = tab_tracker_->GetResource(tab_handle);
    if (!tab) {
      NOTREACHED();
      return;
    }

    const bool check_for_repost = true;
    tab->Reload(check_for_repost);
  }
}

void AutomationProvider::StopAsync(int tab_handle) {
  RenderViewHost* view = GetViewForTab(tab_handle);
  if (!view) {
    // We tolerate StopAsync being called even before a view has been created.
    // So just log a warning instead of a NOTREACHED().
    DLOG(WARNING) << "StopAsync: no view for handle " << tab_handle;
    return;
  }

  view->Stop();
}

void AutomationProvider::OnSetPageFontSize(int tab_handle,
                                           int font_size) {
  AutomationPageFontSize automation_font_size =
      static_cast<AutomationPageFontSize>(font_size);

  if (automation_font_size < SMALLEST_FONT ||
      automation_font_size > LARGEST_FONT) {
      DLOG(ERROR) << "Invalid font size specified : "
                  << font_size;
      return;
  }

  if (tab_tracker_->ContainsHandle(tab_handle)) {
    NavigationController* tab = tab_tracker_->GetResource(tab_handle);
    DCHECK(tab != NULL);
    if (tab && tab->tab_contents()) {
      DCHECK(tab->tab_contents()->profile() != NULL);
      tab->tab_contents()->profile()->GetPrefs()->SetInteger(
          prefs::kWebKitDefaultFontSize, font_size);
    }
  }
}

void AutomationProvider::RemoveBrowsingData(int remove_mask) {
  BrowsingDataRemover* remover;
  remover = new BrowsingDataRemover(profile(),
      BrowsingDataRemover::EVERYTHING,  // All time periods.
      base::Time());
  remover->Remove(remove_mask);
  // BrowsingDataRemover deletes itself.
}

void AutomationProvider::WaitForBrowserWindowCountToBecome(
    int target_count, IPC::Message* reply_message) {
  if (static_cast<int>(BrowserList::size()) == target_count) {
    AutomationMsg_WaitForBrowserWindowCountToBecome::WriteReplyParams(
        reply_message, true);
    Send(reply_message);
    return;
  }

  // Set up an observer (it will delete itself).
  new BrowserCountChangeNotificationObserver(target_count, this, reply_message);
}

void AutomationProvider::WaitForAppModalDialogToBeShown(
    IPC::Message* reply_message) {
  if (Singleton<AppModalDialogQueue>()->HasActiveDialog()) {
    AutomationMsg_WaitForAppModalDialogToBeShown::WriteReplyParams(
        reply_message, true);
    Send(reply_message);
    return;
  }

  // Set up an observer (it will delete itself).
  new AppModalDialogShownObserver(this, reply_message);
}

void AutomationProvider::GoBackBlockUntilNavigationsComplete(
    int handle, int number_of_navigations, IPC::Message* reply_message) {
  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);
    Browser* browser = FindAndActivateTab(tab);
    if (browser && browser->command_updater()->IsCommandEnabled(IDC_BACK)) {
      AddNavigationStatusListener(tab, reply_message, number_of_navigations,
                                  false);
      browser->GoBack(CURRENT_TAB);
      return;
    }
  }

  AutomationMsg_GoBackBlockUntilNavigationsComplete::WriteReplyParams(
      reply_message, AUTOMATION_MSG_NAVIGATION_ERROR);
  Send(reply_message);
}

void AutomationProvider::GoForwardBlockUntilNavigationsComplete(
    int handle, int number_of_navigations, IPC::Message* reply_message) {
  if (tab_tracker_->ContainsHandle(handle)) {
    NavigationController* tab = tab_tracker_->GetResource(handle);
    Browser* browser = FindAndActivateTab(tab);
    if (browser && browser->command_updater()->IsCommandEnabled(IDC_FORWARD)) {
      AddNavigationStatusListener(tab, reply_message, number_of_navigations,
                                  false);
      browser->GoForward(CURRENT_TAB);
      return;
    }
  }

  AutomationMsg_GoForwardBlockUntilNavigationsComplete::WriteReplyParams(
      reply_message, AUTOMATION_MSG_NAVIGATION_ERROR);
  Send(reply_message);
}

RenderViewHost* AutomationProvider::GetViewForTab(int tab_handle) {
  if (tab_tracker_->ContainsHandle(tab_handle)) {
    NavigationController* tab = tab_tracker_->GetResource(tab_handle);
    if (!tab) {
      NOTREACHED();
      return NULL;
    }

    TabContents* tab_contents = tab->tab_contents();
    if (!tab_contents) {
      NOTREACHED();
      return NULL;
    }

    RenderViewHost* view_host = tab_contents->render_view_host();
    return view_host;
  }

  return NULL;
}

void AutomationProvider::GetBrowserForWindow(int window_handle,
                                             bool* success,
                                             int* browser_handle) {
  *success = false;
  *browser_handle = 0;

  gfx::NativeWindow window = window_tracker_->GetResource(window_handle);
  if (!window)
    return;

  BrowserList::const_iterator iter = BrowserList::begin();
  for (;iter != BrowserList::end(); ++iter) {
    gfx::NativeWindow this_window = (*iter)->window()->GetNativeHandle();
    if (window == this_window) {
      // Add() returns the existing handle for the resource if any.
      *browser_handle = browser_tracker_->Add(*iter);
      *success = true;
      return;
    }
  }
}

void AutomationProvider::InstallExtension(const FilePath& crx_path,
                                          IPC::Message* reply_message) {
  ExtensionsService* service = profile_->GetExtensionsService();
  if (service) {
    // The observer will delete itself when done.
    new ExtensionInstallNotificationObserver(this,
                                             AutomationMsg_InstallExtension::ID,
                                             reply_message);

    const FilePath& install_dir = service->install_directory();
    scoped_refptr<CrxInstaller> installer(
        new CrxInstaller(install_dir,
                         service,
                         NULL));  // silent install, no UI
    installer->set_allow_privilege_increase(true);
    installer->InstallCrx(crx_path);
  } else {
    AutomationMsg_InstallExtension::WriteReplyParams(
        reply_message, AUTOMATION_MSG_EXTENSION_INSTALL_FAILED);
    Send(reply_message);
  }
}

void AutomationProvider::LoadExpandedExtension(
    const FilePath& extension_dir,
    IPC::Message* reply_message) {
  if (profile_->GetExtensionsService()) {
    // The observer will delete itself when done.
    new ExtensionInstallNotificationObserver(
        this,
        AutomationMsg_LoadExpandedExtension::ID,
        reply_message);

    profile_->GetExtensionsService()->LoadExtension(extension_dir);
  } else {
    AutomationMsg_LoadExpandedExtension::WriteReplyParams(
        reply_message, AUTOMATION_MSG_EXTENSION_INSTALL_FAILED);
    Send(reply_message);
  }
}

void AutomationProvider::GetEnabledExtensions(
    std::vector<FilePath>* result) {
  ExtensionsService* service = profile_->GetExtensionsService();
  DCHECK(service);
  if (service->extensions_enabled()) {
    const ExtensionList* extensions = service->extensions();
    DCHECK(extensions);
    for (size_t i = 0; i < extensions->size(); ++i) {
      Extension* extension = (*extensions)[i];
      DCHECK(extension);
      if (extension->location() == Extension::INTERNAL ||
          extension->location() == Extension::LOAD) {
        result->push_back(extension->path());
      }
    }
  }
}

void AutomationProvider::WaitForExtensionTestResult(
    IPC::Message* reply_message) {
  DCHECK(reply_message_ == NULL);
  reply_message_ = reply_message;
  // Call MaybeSendResult, because the result might have come in before
  // we were waiting on it.
  extension_test_result_observer_->MaybeSendResult();
}

void AutomationProvider::InstallExtensionAndGetHandle(
    const FilePath& crx_path, bool with_ui, IPC::Message* reply_message) {
  ExtensionsService* service = profile_->GetExtensionsService();
  ExtensionProcessManager* manager = profile_->GetExtensionProcessManager();
  if (service && manager) {
    // The observer will delete itself when done.
    new ExtensionReadyNotificationObserver(
        manager,
        this,
        AutomationMsg_InstallExtensionAndGetHandle::ID,
        reply_message);

    ExtensionInstallUI* client =
        (with_ui ? new ExtensionInstallUI(profile_) : NULL);
    scoped_refptr<CrxInstaller> installer(
        new CrxInstaller(service->install_directory(),
                         service,
                         client));
    installer->set_allow_privilege_increase(true);
    installer->InstallCrx(crx_path);
  } else {
    AutomationMsg_InstallExtensionAndGetHandle::WriteReplyParams(
        reply_message, 0);
    Send(reply_message);
  }
}

void AutomationProvider::UninstallExtension(int extension_handle,
                                            bool* success) {
  *success = false;
  Extension* extension = GetExtension(extension_handle);
  ExtensionsService* service = profile_->GetExtensionsService();
  if (extension && service) {
    ExtensionUnloadNotificationObserver observer;
    service->UninstallExtension(extension->id(), false);
    // The extension unload notification should have been sent synchronously
    // with the uninstall. Just to be safe, check that it was received.
    *success = observer.did_receive_unload_notification();
  }
}

void AutomationProvider::EnableExtension(int extension_handle,
                                         IPC::Message* reply_message) {
  Extension* extension = GetDisabledExtension(extension_handle);
  ExtensionsService* service = profile_->GetExtensionsService();
  ExtensionProcessManager* manager = profile_->GetExtensionProcessManager();
  // Only enable if this extension is disabled.
  if (extension && service && manager) {
    // The observer will delete itself when done.
    new ExtensionReadyNotificationObserver(
        manager,
        this,
        AutomationMsg_EnableExtension::ID,
        reply_message);
    service->EnableExtension(extension->id());
  } else {
    AutomationMsg_EnableExtension::WriteReplyParams(reply_message, false);
    Send(reply_message);
  }
}

void AutomationProvider::DisableExtension(int extension_handle,
                                          bool* success) {
  *success = false;
  Extension* extension = GetEnabledExtension(extension_handle);
  ExtensionsService* service = profile_->GetExtensionsService();
  if (extension && service) {
    ExtensionUnloadNotificationObserver observer;
    service->DisableExtension(extension->id());
    // The extension unload notification should have been sent synchronously
    // with the disable. Just to be safe, check that it was received.
    *success = observer.did_receive_unload_notification();
  }
}

void AutomationProvider::ExecuteExtensionActionInActiveTabAsync(
    int extension_handle, int browser_handle,
    IPC::Message* reply_message) {
  bool success = false;
  Extension* extension = GetEnabledExtension(extension_handle);
  ExtensionsService* service = profile_->GetExtensionsService();
  ExtensionMessageService* message_service =
      profile_->GetExtensionMessageService();
  Browser* browser = browser_tracker_->GetResource(browser_handle);
  if (extension && service && message_service && browser) {
    int tab_id = ExtensionTabUtil::GetTabId(browser->GetSelectedTabContents());
    if (extension->page_action()) {
      ExtensionBrowserEventRouter::GetInstance()->PageActionExecuted(
          browser->profile(), extension->id(), "action", tab_id, "", 1);
      success = true;
    } else if (extension->browser_action()) {
      ExtensionBrowserEventRouter::GetInstance()->BrowserActionExecuted(
          browser->profile(), extension->id(), browser);
      success = true;
    }
  }
  AutomationMsg_ExecuteExtensionActionInActiveTabAsync::WriteReplyParams(
      reply_message, success);
  Send(reply_message);
}

void AutomationProvider::MoveExtensionBrowserAction(
    int extension_handle, int index, bool* success) {
  *success = false;
  Extension* extension = GetEnabledExtension(extension_handle);
  ExtensionsService* service = profile_->GetExtensionsService();
  if (extension && service) {
    ExtensionToolbarModel* toolbar = service->toolbar_model();
    if (toolbar) {
      if (index >= 0 && index < static_cast<int>(toolbar->size())) {
        toolbar->MoveBrowserAction(extension, index);
        *success = true;
      } else {
        DLOG(WARNING) << "Attempted to move browser action to invalid index.";
      }
    }
  }
}

void AutomationProvider::GetExtensionProperty(
    int extension_handle,
    AutomationMsg_ExtensionProperty type,
    bool* success,
    std::string* value) {
  *success = false;
  Extension* extension = GetExtension(extension_handle);
  ExtensionsService* service = profile_->GetExtensionsService();
  if (extension && service) {
    ExtensionToolbarModel* toolbar = service->toolbar_model();
    int found_index = -1;
    int index = 0;
    switch (type) {
      case AUTOMATION_MSG_EXTENSION_ID:
        *value = extension->id();
        *success = true;
        break;
      case AUTOMATION_MSG_EXTENSION_NAME:
        *value = extension->name();
        *success = true;
        break;
      case AUTOMATION_MSG_EXTENSION_VERSION:
        *value = extension->VersionString();
        *success = true;
        break;
      case AUTOMATION_MSG_EXTENSION_BROWSER_ACTION_INDEX:
        if (toolbar) {
          for (ExtensionList::const_iterator iter = toolbar->begin();
               iter != toolbar->end(); iter++) {
            // Skip this extension if we are in incognito mode
            // and it is not incognito-enabled.
            if (profile_->IsOffTheRecord() &&
                !service->IsIncognitoEnabled(*iter))
              continue;
            if (*iter == extension) {
              found_index = index;
              break;
            }
            index++;
          }
          *value = IntToString(found_index);
          *success = true;
        }
        break;
      default:
        LOG(WARNING) << "Trying to get undefined extension property";
        break;
    }
  }
}

void AutomationProvider::SaveAsAsync(int tab_handle) {
  NavigationController* tab = NULL;
  TabContents* tab_contents = GetTabContentsForHandle(tab_handle, &tab);
  if (tab_contents)
    tab_contents->OnSavePage();
}

void AutomationProvider::SetContentSetting(
    int handle,
    const std::string& host,
    ContentSettingsType content_type,
    ContentSetting setting,
    bool* success) {
  *success = false;
  if (browser_tracker_->ContainsHandle(handle)) {
    Browser* browser = browser_tracker_->GetResource(handle);
    HostContentSettingsMap* map =
        browser->profile()->GetHostContentSettingsMap();
    if (host.empty()) {
      map->SetDefaultContentSetting(content_type, setting);
    } else {
      map->SetContentSetting(HostContentSettingsMap::Pattern(host),
                             content_type, setting);
    }
    *success = true;
  }
}

#if !defined(TOOLKIT_VIEWS)
void AutomationProvider::GetFocusedViewID(int handle, int* view_id) {
  NOTIMPLEMENTED();
};

void AutomationProvider::WaitForFocusedViewIDToChange(
    int handle, int previous_view_id, IPC::Message* reply_message) {
  NOTIMPLEMENTED();
}

void AutomationProvider::StartTrackingPopupMenus(
    int browser_handle, bool* success) {
  NOTIMPLEMENTED();
}

void AutomationProvider::WaitForPopupMenuToOpen(IPC::Message* reply_message) {
  NOTIMPLEMENTED();
}
#endif  // !defined(TOOLKIT_VIEWS)

void AutomationProvider::ResetToDefaultTheme() {
  profile_->ClearTheme();
}