Merging chrome/common/gcm_desktop_util.* and chrome/browser/services/gcm/gcm_desktop_util.*.

The code inside chrome/common/gcm_desktop_util.* only used by the
browser. So there is no point to keep this code inside chrome/common/ folder.

So merging this code to chrome/browser/services/gcm/gcm_desktop_util.*.

BUG=519571

Review URL: https://codereview.chromium.org/1297503003

Cr-Commit-Position: refs/heads/master@{#344966}
diff --git a/chrome/browser/services/gcm/gcm_desktop_utils.cc b/chrome/browser/services/gcm/gcm_desktop_utils.cc
index cd7fb73..b15dd9f 100644
--- a/chrome/browser/services/gcm/gcm_desktop_utils.cc
+++ b/chrome/browser/services/gcm/gcm_desktop_utils.cc
@@ -4,15 +4,86 @@
 
 #include "chrome/browser/services/gcm/gcm_desktop_utils.h"
 
+#include "base/command_line.h"
 #include "base/sequenced_task_runner.h"
 #include "base/threading/sequenced_worker_pool.h"
-#include "chrome/common/gcm_desktop_util.h"
+#include "chrome/browser/services/gcm/gcm_desktop_utils.h"
+#include "chrome/common/channel_info.h"
+#include "chrome/common/sync_util.h"
 #include "components/gcm_driver/gcm_client_factory.h"
 #include "components/gcm_driver/gcm_driver.h"
+#include "components/gcm_driver/gcm_driver_desktop.h"
+#include "components/version_info/version_info.h"
 #include "content/public/browser/browser_thread.h"
+#include "url/gurl.h"
 
 namespace gcm {
 
+namespace {
+
+const char kChannelStatusRelativePath[] = "/experimentstatus";
+
+GCMClient::ChromePlatform GetPlatform() {
+#if defined(OS_WIN)
+  return GCMClient::PLATFORM_WIN;
+#elif defined(OS_MACOSX)
+  return GCMClient::PLATFORM_MAC;
+#elif defined(OS_IOS)
+  return GCMClient::PLATFORM_IOS;
+#elif defined(OS_ANDROID)
+  return GCMClient::PLATFORM_ANDROID;
+#elif defined(OS_CHROMEOS)
+  return GCMClient::PLATFORM_CROS;
+#elif defined(OS_LINUX)
+  return GCMClient::PLATFORM_LINUX;
+#else
+  // For all other platforms, return as LINUX.
+  return GCMClient::PLATFORM_LINUX;
+#endif
+}
+
+GCMClient::ChromeChannel GetChannel() {
+  version_info::Channel channel = chrome::GetChannel();
+  switch (channel) {
+    case version_info::Channel::UNKNOWN:
+      return GCMClient::CHANNEL_UNKNOWN;
+    case version_info::Channel::CANARY:
+      return GCMClient::CHANNEL_CANARY;
+    case version_info::Channel::DEV:
+      return GCMClient::CHANNEL_DEV;
+    case version_info::Channel::BETA:
+      return GCMClient::CHANNEL_BETA;
+    case version_info::Channel::STABLE:
+      return GCMClient::CHANNEL_STABLE;
+    default:
+      NOTREACHED();
+      return GCMClient::CHANNEL_UNKNOWN;
+  }
+}
+
+std::string GetVersion() {
+  return version_info::GetVersionNumber();
+}
+
+GCMClient::ChromeBuildInfo GetChromeBuildInfo() {
+  GCMClient::ChromeBuildInfo chrome_build_info;
+  chrome_build_info.platform = GetPlatform();
+  chrome_build_info.channel = GetChannel();
+  chrome_build_info.version = GetVersion();
+  return chrome_build_info;
+}
+
+std::string GetChannelStatusRequestUrl() {
+  GURL sync_url(GetSyncServiceURL(*base::CommandLine::ForCurrentProcess()));
+  return sync_url.spec() + kChannelStatusRelativePath;
+}
+
+std::string GetUserAgent() {
+  return MakeDesktopUserAgentForSync();
+}
+
+}  // namespace
+
 scoped_ptr<GCMDriver> CreateGCMDriverDesktop(
     scoped_ptr<GCMClientFactory> gcm_client_factory,
     PrefService* prefs,
@@ -26,8 +97,11 @@
           worker_pool->GetSequenceToken(),
           base::SequencedWorkerPool::SKIP_ON_SHUTDOWN));
 
-  return CreateGCMDriverDesktopWithTaskRunners(
+  return scoped_ptr<GCMDriver>(new GCMDriverDesktop(
       gcm_client_factory.Pass(),
+      GetChromeBuildInfo(),
+      GetChannelStatusRequestUrl(),
+      GetUserAgent(),
       prefs,
       store_path,
       request_context,
@@ -35,7 +109,7 @@
           content::BrowserThread::UI),
       content::BrowserThread::GetMessageLoopProxyForThread(
           content::BrowserThread::IO),
-      blocking_task_runner);
+      blocking_task_runner));
 }
 
 }  // namespace gcm