Support frame tree propagation between renderers in the same browsing instance.

content/browser/web_contents/render_view_host_manager.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_BROWSER_WEB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 144 matching lines @@
   void SetIsLoading(bool is_loading);
 
   // Whether to close the tab or not when there is a hang during an unload
   // handler. If we are mid-crosssite navigation, then we should proceed
   // with the navigation instead of closing the tab.
   bool ShouldCloseTabOnUnresponsiveRenderer();
 
   // Called when a renderer's main frame navigates.
   void DidNavigateMainFrame(content::RenderViewHost* render_view_host);
 
+  // Called when a renderer has navigated and when its frame tree is updated.
+  void DidUpdateFrameTree(content::RenderViewHost* render_view_host);
+
   // Helper method to create a RenderViewHost.  If |swapped_out| is true, it
   // will be initially placed on the swapped out hosts list.  Otherwise, it
   // will be used for a pending cross-site navigation.
   int CreateRenderView(content::SiteInstance* instance,
                        int opener_route_id,
                        bool swapped_out);
 
   // Set the WebUI after committing a page load. This is useful for navigations
   // initiated from a renderer, where we want to give the new renderer WebUI
   // privileges from the originating renderer.
@@ skipping 38 matching lines @@
                        const content::NotificationDetails& details) OVERRIDE;
 
   // Called when a RenderViewHost is about to be deleted.
   void RenderViewDeleted(content::RenderViewHost* rvh);
 
   // Returns whether the given RenderViewHost is on the list of swapped out
   // RenderViewHosts.
   bool IsSwappedOut(content::RenderViewHost* rvh);
 
   // Returns the swapped out RenderViewHost for the given SiteInstance, if any.
-  content::RenderViewHost* GetSwappedOutRenderViewHost(
+  content::RenderViewHostImpl* GetSwappedOutRenderViewHost(
       content::SiteInstance* instance);
 
  private:
   friend class content::TestWebContents;
   friend class RenderViewHostManagerTest;
 
   // Returns whether this tab should transition to a new renderer for
   // cross-site URLs.  Enabled unless we see the --process-per-tab command line
   // switch.  Can be overridden in unit tests.
   bool ShouldTransitionCrossSite();
@@ skipping 83 matching lines @@
   // The intersitial page currently shown if any, not own by this class
   // (the InterstitialPage is self-owned, it deletes itself when hidden).
   InterstitialPageImpl* interstitial_page_;
 
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostManager);
 };
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_RENDER_VIEW_HOST_MANAGER_H_