content/browser/frame_host/frame_tree_browsertest.cc - chromium/src.git - Git at Google

 // Copyright 2014 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 "base/command_line.h"
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/frame_tree_node.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test.h"
 #include "content/public/test/content_browser_test_utils.h"
 #include "content/public/test/test_navigation_observer.h"
 #include "content/public/test/test_utils.h"
 #include "content/shell/browser/shell.h"
 #include "content/test/content_browser_test_utils_internal.h"
 #include "net/dns/mock_host_resolver.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"

 namespace content {

 class FrameTreeBrowserTest : public ContentBrowserTest {
  public:
   FrameTreeBrowserTest() {}

   void SetUpOnMainThread() override {
     host_resolver()->AddRule("*", "127.0.0.1");
     ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
     SetupCrossSiteRedirector(embedded_test_server());
   }

  private:
   DISALLOW_COPY_AND_ASSIGN(FrameTreeBrowserTest);
 };

 // Ensures FrameTree correctly reflects page structure during navigations.
 IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, FrameTreeShape) {
   GURL base_url = embedded_test_server()->GetURL("A.com", "/site_isolation/");

   // Load doc without iframes. Verify FrameTree just has root.
   // Frame tree:
   //   Site-A Root
   NavigateToURL(shell(), base_url.Resolve("blank.html"));
   FrameTreeNode* root =
       static_cast<WebContentsImpl*>(shell()->web_contents())->
       GetFrameTree()->root();
   EXPECT_EQ(0U, root->child_count());

   // Add 2 same-site frames. Verify 3 nodes in tree with proper names.
   // Frame tree:
   //   Site-A Root -- Site-A frame1
   //              \-- Site-A frame2
   WindowedNotificationObserver observer1(
       content::NOTIFICATION_LOAD_STOP,
       content::Source<NavigationController>(
           &shell()->web_contents()->GetController()));
   NavigateToURL(shell(), base_url.Resolve("frames-X-X.html"));
   observer1.Wait();
   ASSERT_EQ(2U, root->child_count());
   EXPECT_EQ(0U, root->child_at(0)->child_count());
   EXPECT_EQ(0U, root->child_at(1)->child_count());
 }

 // TODO(ajwong): Talk with nasko and merge this functionality with
 // FrameTreeShape.
 IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, FrameTreeShape2) {
   NavigateToURL(shell(),
                 embedded_test_server()->GetURL("/frame_tree/top.html"));

   WebContentsImpl* wc = static_cast<WebContentsImpl*>(shell()->web_contents());
   FrameTreeNode* root = wc->GetFrameTree()->root();

   // Check that the root node is properly created.
   ASSERT_EQ(3UL, root->child_count());
   EXPECT_EQ(std::string(), root->frame_name());

   ASSERT_EQ(2UL, root->child_at(0)->child_count());
   EXPECT_STREQ("1-1-name", root->child_at(0)->frame_name().c_str());

   // Verify the deepest node exists and has the right name.
   ASSERT_EQ(2UL, root->child_at(2)->child_count());
   EXPECT_EQ(1UL, root->child_at(2)->child_at(1)->child_count());
   EXPECT_EQ(0UL, root->child_at(2)->child_at(1)->child_at(0)->child_count());
   EXPECT_STREQ("3-1-name",
       root->child_at(2)->child_at(1)->child_at(0)->frame_name().c_str());

   // Navigate to about:blank, which should leave only the root node of the frame
   // tree in the browser process.
   NavigateToURL(shell(), embedded_test_server()->GetURL("/title1.html"));

   root = wc->GetFrameTree()->root();
   EXPECT_EQ(0UL, root->child_count());
   EXPECT_EQ(std::string(), root->frame_name());
 }

 // Test that we can navigate away if the previous renderer doesn't clean up its
 // child frames.
 IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, FrameTreeAfterCrash) {
   NavigateToURL(shell(),
                 embedded_test_server()->GetURL("/frame_tree/top.html"));

   // Ensure the view and frame are live.
   RenderViewHost* rvh = shell()->web_contents()->GetRenderViewHost();
   RenderFrameHostImpl* rfh =
       static_cast<RenderFrameHostImpl*>(rvh->GetMainFrame());
   EXPECT_TRUE(rvh->IsRenderViewLive());
   EXPECT_TRUE(rfh->IsRenderFrameLive());

   // Crash the renderer so that it doesn't send any FrameDetached messages.
   RenderProcessHostWatcher crash_observer(
       shell()->web_contents(),
       RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
   NavigateToURL(shell(), GURL(kChromeUICrashURL));
   crash_observer.Wait();

   // The frame tree should be cleared.
   WebContentsImpl* wc = static_cast<WebContentsImpl*>(shell()->web_contents());
   FrameTreeNode* root = wc->GetFrameTree()->root();
   EXPECT_EQ(0UL, root->child_count());

   // Ensure the view and frame aren't live anymore.
   EXPECT_FALSE(rvh->IsRenderViewLive());
   EXPECT_FALSE(rfh->IsRenderFrameLive());

   // Navigate to a new URL.
   GURL url(embedded_test_server()->GetURL("/title1.html"));
   NavigateToURL(shell(), url);
   EXPECT_EQ(0UL, root->child_count());
   EXPECT_EQ(url, root->current_url());

   // Ensure the view and frame are live again.
   EXPECT_TRUE(rvh->IsRenderViewLive());
   EXPECT_TRUE(rfh->IsRenderFrameLive());
 }

 // Test that we can navigate away if the previous renderer doesn't clean up its
 // child frames.
 IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, NavigateWithLeftoverFrames) {
   GURL base_url = embedded_test_server()->GetURL("A.com", "/site_isolation/");

   NavigateToURL(shell(),
                 embedded_test_server()->GetURL("/frame_tree/top.html"));

   // Hang the renderer so that it doesn't send any FrameDetached messages.
   // (This navigation will never complete, so don't wait for it.)
   shell()->LoadURL(GURL(kChromeUIHangURL));

   // Check that the frame tree still has children.
   WebContentsImpl* wc = static_cast<WebContentsImpl*>(shell()->web_contents());
   FrameTreeNode* root = wc->GetFrameTree()->root();
   ASSERT_EQ(3UL, root->child_count());

   // Navigate to a new URL.  We use LoadURL because NavigateToURL will try to
   // wait for the previous navigation to stop.
   TestNavigationObserver tab_observer(wc, 1);
   shell()->LoadURL(base_url.Resolve("blank.html"));
   tab_observer.Wait();

   // The frame tree should now be cleared.
   EXPECT_EQ(0UL, root->child_count());
 }

 // Ensure that IsRenderFrameLive is true for main frames and same-site iframes.
 IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, IsRenderFrameLive) {
   GURL main_url(embedded_test_server()->GetURL("/frame_tree/top.html"));
   NavigateToURL(shell(), main_url);

   // It is safe to obtain the root frame tree node here, as it doesn't change.
   FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
                             ->GetFrameTree()->root();

   // The root and subframe should each have a live RenderFrame.
   EXPECT_TRUE(
       root->current_frame_host()->render_view_host()->IsRenderViewLive());
   EXPECT_TRUE(root->current_frame_host()->IsRenderFrameLive());
   EXPECT_TRUE(root->child_at(0)->current_frame_host()->IsRenderFrameLive());

   // Load a same-site page into iframe and it should still be live.
   GURL http_url(embedded_test_server()->GetURL("/title1.html"));
   NavigateFrameToURL(root->child_at(0), http_url);
   EXPECT_TRUE(
       root->current_frame_host()->render_view_host()->IsRenderViewLive());
   EXPECT_TRUE(root->current_frame_host()->IsRenderFrameLive());
   EXPECT_TRUE(root->child_at(0)->current_frame_host()->IsRenderFrameLive());
 }

 // Ensure that origins are correctly set on navigations.
 IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, OriginSetOnNavigation) {
   GURL main_url(embedded_test_server()->GetURL("/frame_tree/top.html"));
   EXPECT_TRUE(NavigateToURL(shell(), main_url));

   // It is safe to obtain the root frame tree node here, as it doesn't change.
   FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
                             ->GetFrameTree()->root();

   // Extra '/' is added because the replicated origin is serialized in RFC 6454
   // format, which dictates no trailing '/', whereas GURL::GetOrigin does put a
   // '/' at the end.
   EXPECT_EQ(root->current_replication_state().origin.string() + '/',
             main_url.GetOrigin().spec());

   GURL frame_url(embedded_test_server()->GetURL("/title1.html"));
   NavigateFrameToURL(root->child_at(0), frame_url);

   EXPECT_EQ(
       root->child_at(0)->current_replication_state().origin.string() + '/',
       frame_url.GetOrigin().spec());

   GURL data_url("data:text/html,foo");
   EXPECT_TRUE(NavigateToURL(shell(), data_url));

   // Navigating to a data URL should set a unique origin.  This is represented
   // as "null" per RFC 6454.
   EXPECT_EQ(root->current_replication_state().origin.string(), "null");

   // Re-navigating to a normal URL should update the origin.
   EXPECT_TRUE(NavigateToURL(shell(), main_url));
   EXPECT_EQ(root->current_replication_state().origin.string() + '/',
             main_url.GetOrigin().spec());
 }

 class CrossProcessFrameTreeBrowserTest : public ContentBrowserTest {
  public:
   CrossProcessFrameTreeBrowserTest() {}

   void SetUpCommandLine(base::CommandLine* command_line) override {
     command_line->AppendSwitch(switches::kSitePerProcess);
   }

   void SetUpOnMainThread() override {
     host_resolver()->AddRule("*", "127.0.0.1");
     ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
     SetupCrossSiteRedirector(embedded_test_server());
   }

  private:
   DISALLOW_COPY_AND_ASSIGN(CrossProcessFrameTreeBrowserTest);
 };

 // Ensure that we can complete a cross-process subframe navigation.
 #if defined(OS_ANDROID)
 #define MAYBE_CreateCrossProcessSubframeProxies DISABLED_CreateCrossProcessSubframeProxies
 #else
 #define MAYBE_CreateCrossProcessSubframeProxies CreateCrossProcessSubframeProxies
 #endif
 IN_PROC_BROWSER_TEST_F(CrossProcessFrameTreeBrowserTest,
                        MAYBE_CreateCrossProcessSubframeProxies) {
   GURL main_url(embedded_test_server()->GetURL("/site_per_process_main.html"));
   NavigateToURL(shell(), main_url);

   // It is safe to obtain the root frame tree node here, as it doesn't change.
   FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
                             ->GetFrameTree()->root();

   // There should not be a proxy for the root's own SiteInstance.
   SiteInstance* root_instance = root->current_frame_host()->GetSiteInstance();
   EXPECT_FALSE(root->render_manager()->GetRenderFrameProxyHost(root_instance));

   // Load same-site page into iframe.
   GURL http_url(embedded_test_server()->GetURL("/title1.html"));
   NavigateFrameToURL(root->child_at(0), http_url);

   // Load cross-site page into iframe.
   GURL cross_site_url(
       embedded_test_server()->GetURL("foo.com", "/title2.html"));
   NavigateFrameToURL(root->child_at(0), cross_site_url);

   // Ensure that we have created a new process for the subframe.
   ASSERT_EQ(2U, root->child_count());
   FrameTreeNode* child = root->child_at(0);
   SiteInstance* child_instance = child->current_frame_host()->GetSiteInstance();
   RenderViewHost* rvh = child->current_frame_host()->render_view_host();
   RenderProcessHost* rph = child->current_frame_host()->GetProcess();

   EXPECT_NE(shell()->web_contents()->GetRenderViewHost(), rvh);
   EXPECT_NE(shell()->web_contents()->GetSiteInstance(), child_instance);
   EXPECT_NE(shell()->web_contents()->GetRenderProcessHost(), rph);

   // Ensure that the root node has a proxy for the child node's SiteInstance.
   EXPECT_TRUE(root->render_manager()->GetRenderFrameProxyHost(child_instance));

   // Also ensure that the child has a proxy for the root node's SiteInstance.
   EXPECT_TRUE(child->render_manager()->GetRenderFrameProxyHost(root_instance));

   // The nodes should not have proxies for their own SiteInstance.
   EXPECT_FALSE(root->render_manager()->GetRenderFrameProxyHost(root_instance));
   EXPECT_FALSE(
       child->render_manager()->GetRenderFrameProxyHost(child_instance));

   // Ensure that the RenderViews and RenderFrames are all live.
   EXPECT_TRUE(
       root->current_frame_host()->render_view_host()->IsRenderViewLive());
   EXPECT_TRUE(
       child->current_frame_host()->render_view_host()->IsRenderViewLive());
   EXPECT_TRUE(root->current_frame_host()->IsRenderFrameLive());
   EXPECT_TRUE(root->child_at(0)->current_frame_host()->IsRenderFrameLive());
 }

 IN_PROC_BROWSER_TEST_F(CrossProcessFrameTreeBrowserTest,
                        OriginSetOnCrossProcessNavigations) {
   GURL main_url(embedded_test_server()->GetURL("/site_per_process_main.html"));
   EXPECT_TRUE(NavigateToURL(shell(), main_url));

   // It is safe to obtain the root frame tree node here, as it doesn't change.
   FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
                             ->GetFrameTree()->root();

   EXPECT_EQ(root->current_replication_state().origin.string() + '/',
             main_url.GetOrigin().spec());

   // First frame is an about:blank frame.  Check that its origin is correctly
   // inherited from the parent.
   EXPECT_EQ(
       root->child_at(0)->current_replication_state().origin.string() + '/',
       main_url.GetOrigin().spec());

   // Second frame loads a same-site page.  Its origin should also be the same
   // as the parent.
   EXPECT_EQ(
       root->child_at(1)->current_replication_state().origin.string() + '/',
       main_url.GetOrigin().spec());

   // Load cross-site page into the first frame.
   GURL cross_site_url(
       embedded_test_server()->GetURL("foo.com", "/title2.html"));
   NavigateFrameToURL(root->child_at(0), cross_site_url);

   EXPECT_EQ(
       root->child_at(0)->current_replication_state().origin.string() + '/',
       cross_site_url.GetOrigin().spec());

   // The root's origin shouldn't have changed.
   EXPECT_EQ(root->current_replication_state().origin.string() + '/',
             main_url.GetOrigin().spec());

   GURL data_url("data:text/html,foo");
   NavigateFrameToURL(root->child_at(1), data_url);

   // Navigating to a data URL should set a unique origin.  This is represented
   // as "null" per RFC 6454.
   EXPECT_EQ(root->child_at(1)->current_replication_state().origin.string(),
             "null");
 }

 }  // namespace content
	// Copyright 2014 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 "base/command_line.h"
	#include "content/browser/frame_host/frame_tree.h"
	#include "content/browser/frame_host/frame_tree_node.h"
	#include "content/browser/renderer_host/render_view_host_impl.h"
	#include "content/browser/web_contents/web_contents_impl.h"
	#include "content/public/browser/notification_service.h"
	#include "content/public/browser/notification_types.h"
	#include "content/public/common/content_switches.h"
	#include "content/public/common/url_constants.h"
	#include "content/public/test/browser_test_utils.h"
	#include "content/public/test/content_browser_test.h"
	#include "content/public/test/content_browser_test_utils.h"
	#include "content/public/test/test_navigation_observer.h"
	#include "content/public/test/test_utils.h"
	#include "content/shell/browser/shell.h"
	#include "content/test/content_browser_test_utils_internal.h"
	#include "net/dns/mock_host_resolver.h"
	#include "net/test/embedded_test_server/embedded_test_server.h"

	namespace content {

	class FrameTreeBrowserTest : public ContentBrowserTest {
	public:
	FrameTreeBrowserTest() {}

	void SetUpOnMainThread() override {
	host_resolver()->AddRule("*", "127.0.0.1");
	ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
	SetupCrossSiteRedirector(embedded_test_server());
	}

	private:
	DISALLOW_COPY_AND_ASSIGN(FrameTreeBrowserTest);
	};

	// Ensures FrameTree correctly reflects page structure during navigations.
	IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, FrameTreeShape) {
	GURL base_url = embedded_test_server()->GetURL("A.com", "/site_isolation/");

	// Load doc without iframes. Verify FrameTree just has root.
	// Frame tree:
	// Site-A Root
	NavigateToURL(shell(), base_url.Resolve("blank.html"));
	FrameTreeNode* root =
	static_cast<WebContentsImpl*>(shell()->web_contents())->
	GetFrameTree()->root();
	EXPECT_EQ(0U, root->child_count());

	// Add 2 same-site frames. Verify 3 nodes in tree with proper names.
	// Frame tree:
	// Site-A Root -- Site-A frame1
	// \-- Site-A frame2
	WindowedNotificationObserver observer1(
	content::NOTIFICATION_LOAD_STOP,
	content::Source<NavigationController>(
	&shell()->web_contents()->GetController()));
	NavigateToURL(shell(), base_url.Resolve("frames-X-X.html"));
	observer1.Wait();
	ASSERT_EQ(2U, root->child_count());
	EXPECT_EQ(0U, root->child_at(0)->child_count());
	EXPECT_EQ(0U, root->child_at(1)->child_count());
	}

	// TODO(ajwong): Talk with nasko and merge this functionality with
	// FrameTreeShape.
	IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, FrameTreeShape2) {
	NavigateToURL(shell(),
	embedded_test_server()->GetURL("/frame_tree/top.html"));

	WebContentsImpl* wc = static_cast<WebContentsImpl*>(shell()->web_contents());
	FrameTreeNode* root = wc->GetFrameTree()->root();

	// Check that the root node is properly created.
	ASSERT_EQ(3UL, root->child_count());
	EXPECT_EQ(std::string(), root->frame_name());

	ASSERT_EQ(2UL, root->child_at(0)->child_count());
	EXPECT_STREQ("1-1-name", root->child_at(0)->frame_name().c_str());

	// Verify the deepest node exists and has the right name.
	ASSERT_EQ(2UL, root->child_at(2)->child_count());
	EXPECT_EQ(1UL, root->child_at(2)->child_at(1)->child_count());
	EXPECT_EQ(0UL, root->child_at(2)->child_at(1)->child_at(0)->child_count());
	EXPECT_STREQ("3-1-name",
	root->child_at(2)->child_at(1)->child_at(0)->frame_name().c_str());

	// Navigate to about:blank, which should leave only the root node of the frame
	// tree in the browser process.
	NavigateToURL(shell(), embedded_test_server()->GetURL("/title1.html"));

	root = wc->GetFrameTree()->root();
	EXPECT_EQ(0UL, root->child_count());
	EXPECT_EQ(std::string(), root->frame_name());
	}

	// Test that we can navigate away if the previous renderer doesn't clean up its
	// child frames.
	IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, FrameTreeAfterCrash) {
	NavigateToURL(shell(),
	embedded_test_server()->GetURL("/frame_tree/top.html"));

	// Ensure the view and frame are live.
	RenderViewHost* rvh = shell()->web_contents()->GetRenderViewHost();
	RenderFrameHostImpl* rfh =
	static_cast<RenderFrameHostImpl*>(rvh->GetMainFrame());
	EXPECT_TRUE(rvh->IsRenderViewLive());
	EXPECT_TRUE(rfh->IsRenderFrameLive());

	// Crash the renderer so that it doesn't send any FrameDetached messages.
	RenderProcessHostWatcher crash_observer(
	shell()->web_contents(),
	RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
	NavigateToURL(shell(), GURL(kChromeUICrashURL));
	crash_observer.Wait();

	// The frame tree should be cleared.
	WebContentsImpl* wc = static_cast<WebContentsImpl*>(shell()->web_contents());
	FrameTreeNode* root = wc->GetFrameTree()->root();
	EXPECT_EQ(0UL, root->child_count());

	// Ensure the view and frame aren't live anymore.
	EXPECT_FALSE(rvh->IsRenderViewLive());
	EXPECT_FALSE(rfh->IsRenderFrameLive());

	// Navigate to a new URL.
	GURL url(embedded_test_server()->GetURL("/title1.html"));
	NavigateToURL(shell(), url);
	EXPECT_EQ(0UL, root->child_count());
	EXPECT_EQ(url, root->current_url());

	// Ensure the view and frame are live again.
	EXPECT_TRUE(rvh->IsRenderViewLive());
	EXPECT_TRUE(rfh->IsRenderFrameLive());
	}

	// Test that we can navigate away if the previous renderer doesn't clean up its
	// child frames.
	IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, NavigateWithLeftoverFrames) {
	GURL base_url = embedded_test_server()->GetURL("A.com", "/site_isolation/");

	NavigateToURL(shell(),
	embedded_test_server()->GetURL("/frame_tree/top.html"));

	// Hang the renderer so that it doesn't send any FrameDetached messages.
	// (This navigation will never complete, so don't wait for it.)
	shell()->LoadURL(GURL(kChromeUIHangURL));

	// Check that the frame tree still has children.
	WebContentsImpl* wc = static_cast<WebContentsImpl*>(shell()->web_contents());
	FrameTreeNode* root = wc->GetFrameTree()->root();
	ASSERT_EQ(3UL, root->child_count());

	// Navigate to a new URL. We use LoadURL because NavigateToURL will try to
	// wait for the previous navigation to stop.
	TestNavigationObserver tab_observer(wc, 1);
	shell()->LoadURL(base_url.Resolve("blank.html"));
	tab_observer.Wait();

	// The frame tree should now be cleared.
	EXPECT_EQ(0UL, root->child_count());
	}

	// Ensure that IsRenderFrameLive is true for main frames and same-site iframes.
	IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, IsRenderFrameLive) {
	GURL main_url(embedded_test_server()->GetURL("/frame_tree/top.html"));
	NavigateToURL(shell(), main_url);

	// It is safe to obtain the root frame tree node here, as it doesn't change.
	FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
	->GetFrameTree()->root();

	// The root and subframe should each have a live RenderFrame.
	EXPECT_TRUE(
	root->current_frame_host()->render_view_host()->IsRenderViewLive());
	EXPECT_TRUE(root->current_frame_host()->IsRenderFrameLive());
	EXPECT_TRUE(root->child_at(0)->current_frame_host()->IsRenderFrameLive());

	// Load a same-site page into iframe and it should still be live.
	GURL http_url(embedded_test_server()->GetURL("/title1.html"));
	NavigateFrameToURL(root->child_at(0), http_url);
	EXPECT_TRUE(
	root->current_frame_host()->render_view_host()->IsRenderViewLive());
	EXPECT_TRUE(root->current_frame_host()->IsRenderFrameLive());
	EXPECT_TRUE(root->child_at(0)->current_frame_host()->IsRenderFrameLive());
	}

	// Ensure that origins are correctly set on navigations.
	IN_PROC_BROWSER_TEST_F(FrameTreeBrowserTest, OriginSetOnNavigation) {
	GURL main_url(embedded_test_server()->GetURL("/frame_tree/top.html"));
	EXPECT_TRUE(NavigateToURL(shell(), main_url));

	// It is safe to obtain the root frame tree node here, as it doesn't change.
	FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
	->GetFrameTree()->root();

	// Extra '/' is added because the replicated origin is serialized in RFC 6454
	// format, which dictates no trailing '/', whereas GURL::GetOrigin does put a
	// '/' at the end.
	EXPECT_EQ(root->current_replication_state().origin.string() + '/',
	main_url.GetOrigin().spec());

	GURL frame_url(embedded_test_server()->GetURL("/title1.html"));
	NavigateFrameToURL(root->child_at(0), frame_url);

	EXPECT_EQ(
	root->child_at(0)->current_replication_state().origin.string() + '/',
	frame_url.GetOrigin().spec());

	GURL data_url("data:text/html,foo");
	EXPECT_TRUE(NavigateToURL(shell(), data_url));

	// Navigating to a data URL should set a unique origin. This is represented
	// as "null" per RFC 6454.
	EXPECT_EQ(root->current_replication_state().origin.string(), "null");

	// Re-navigating to a normal URL should update the origin.
	EXPECT_TRUE(NavigateToURL(shell(), main_url));
	EXPECT_EQ(root->current_replication_state().origin.string() + '/',
	main_url.GetOrigin().spec());
	}

	class CrossProcessFrameTreeBrowserTest : public ContentBrowserTest {
	public:
	CrossProcessFrameTreeBrowserTest() {}

	void SetUpCommandLine(base::CommandLine* command_line) override {
	command_line->AppendSwitch(switches::kSitePerProcess);
	}

	void SetUpOnMainThread() override {
	host_resolver()->AddRule("*", "127.0.0.1");
	ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
	SetupCrossSiteRedirector(embedded_test_server());
	}

	private:
	DISALLOW_COPY_AND_ASSIGN(CrossProcessFrameTreeBrowserTest);
	};

	// Ensure that we can complete a cross-process subframe navigation.
	#if defined(OS_ANDROID)
	#define MAYBE_CreateCrossProcessSubframeProxies DISABLED_CreateCrossProcessSubframeProxies
	#else
	#define MAYBE_CreateCrossProcessSubframeProxies CreateCrossProcessSubframeProxies
	#endif
	IN_PROC_BROWSER_TEST_F(CrossProcessFrameTreeBrowserTest,
	MAYBE_CreateCrossProcessSubframeProxies) {
	GURL main_url(embedded_test_server()->GetURL("/site_per_process_main.html"));
	NavigateToURL(shell(), main_url);

	// It is safe to obtain the root frame tree node here, as it doesn't change.
	FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
	->GetFrameTree()->root();

	// There should not be a proxy for the root's own SiteInstance.
	SiteInstance* root_instance = root->current_frame_host()->GetSiteInstance();
	EXPECT_FALSE(root->render_manager()->GetRenderFrameProxyHost(root_instance));

	// Load same-site page into iframe.
	GURL http_url(embedded_test_server()->GetURL("/title1.html"));
	NavigateFrameToURL(root->child_at(0), http_url);

	// Load cross-site page into iframe.
	GURL cross_site_url(
	embedded_test_server()->GetURL("foo.com", "/title2.html"));
	NavigateFrameToURL(root->child_at(0), cross_site_url);

	// Ensure that we have created a new process for the subframe.
	ASSERT_EQ(2U, root->child_count());
	FrameTreeNode* child = root->child_at(0);
	SiteInstance* child_instance = child->current_frame_host()->GetSiteInstance();
	RenderViewHost* rvh = child->current_frame_host()->render_view_host();
	RenderProcessHost* rph = child->current_frame_host()->GetProcess();

	EXPECT_NE(shell()->web_contents()->GetRenderViewHost(), rvh);
	EXPECT_NE(shell()->web_contents()->GetSiteInstance(), child_instance);
	EXPECT_NE(shell()->web_contents()->GetRenderProcessHost(), rph);

	// Ensure that the root node has a proxy for the child node's SiteInstance.
	EXPECT_TRUE(root->render_manager()->GetRenderFrameProxyHost(child_instance));

	// Also ensure that the child has a proxy for the root node's SiteInstance.
	EXPECT_TRUE(child->render_manager()->GetRenderFrameProxyHost(root_instance));

	// The nodes should not have proxies for their own SiteInstance.
	EXPECT_FALSE(root->render_manager()->GetRenderFrameProxyHost(root_instance));
	EXPECT_FALSE(
	child->render_manager()->GetRenderFrameProxyHost(child_instance));

	// Ensure that the RenderViews and RenderFrames are all live.
	EXPECT_TRUE(
	root->current_frame_host()->render_view_host()->IsRenderViewLive());
	EXPECT_TRUE(
	child->current_frame_host()->render_view_host()->IsRenderViewLive());
	EXPECT_TRUE(root->current_frame_host()->IsRenderFrameLive());
	EXPECT_TRUE(root->child_at(0)->current_frame_host()->IsRenderFrameLive());
	}

	IN_PROC_BROWSER_TEST_F(CrossProcessFrameTreeBrowserTest,
	OriginSetOnCrossProcessNavigations) {
	GURL main_url(embedded_test_server()->GetURL("/site_per_process_main.html"));
	EXPECT_TRUE(NavigateToURL(shell(), main_url));

	// It is safe to obtain the root frame tree node here, as it doesn't change.
	FrameTreeNode* root = static_cast<WebContentsImpl*>(shell()->web_contents())
	->GetFrameTree()->root();

	EXPECT_EQ(root->current_replication_state().origin.string() + '/',
	main_url.GetOrigin().spec());

	// First frame is an about:blank frame. Check that its origin is correctly
	// inherited from the parent.
	EXPECT_EQ(
	root->child_at(0)->current_replication_state().origin.string() + '/',
	main_url.GetOrigin().spec());

	// Second frame loads a same-site page. Its origin should also be the same
	// as the parent.
	EXPECT_EQ(
	root->child_at(1)->current_replication_state().origin.string() + '/',
	main_url.GetOrigin().spec());

	// Load cross-site page into the first frame.
	GURL cross_site_url(
	embedded_test_server()->GetURL("foo.com", "/title2.html"));
	NavigateFrameToURL(root->child_at(0), cross_site_url);

	EXPECT_EQ(
	root->child_at(0)->current_replication_state().origin.string() + '/',
	cross_site_url.GetOrigin().spec());

	// The root's origin shouldn't have changed.
	EXPECT_EQ(root->current_replication_state().origin.string() + '/',
	main_url.GetOrigin().spec());

	GURL data_url("data:text/html,foo");
	NavigateFrameToURL(root->child_at(1), data_url);

	// Navigating to a data URL should set a unique origin. This is represented
	// as "null" per RFC 6454.
	EXPECT_EQ(root->child_at(1)->current_replication_state().origin.string(),
	"null");
	}

	} // namespace content