Add WasShown/WasHidden to RenderFrameObserver.

content/browser/web_contents/web_contents_impl.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_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 626 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, UpdateTitle);
   FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, FindOpenerRVHWhenPending);
   FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest,
                            CrossSiteCantPreemptAfterUnload);
   FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, PendingContents);
   FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, FrameTreeShape);
   FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, GetLastActiveTime);
   FRIEND_TEST_ALL_PREFIXES(FormStructureBrowserTest, HTMLFiles);
   FRIEND_TEST_ALL_PREFIXES(NavigationControllerTest, HistoryNavigate);
   FRIEND_TEST_ALL_PREFIXES(RenderFrameHostManagerTest, PageDoesBackAndReload);
+  FRIEND_TEST_ALL_PREFIXES(SitePerProcessBrowserTest, CrossSiteIframe);
 
   // So InterstitialPageImpl can access SetIsLoading.
   friend class InterstitialPageImpl;
 
   // TODO(brettw) TestWebContents shouldn't exist!
   friend class TestWebContents;
 
   class DestructionObserver;
 
   // See WebContents::Create for a description of these parameters.
@@ skipping 10 matching lines @@
   void OnWebContentsDestroyed(WebContentsImpl* web_contents);
 
   // Creates and adds to the map a destruction observer watching |web_contents|.
   // No-op if such an observer already exists.
   void AddDestructionObserver(WebContentsImpl* web_contents);
 
   // Deletes and removes from the map a destruction observer
   // watching |web_contents|. No-op if there is no such observer.
   void RemoveDestructionObserver(WebContentsImpl* web_contents);
 
+  // Traverses all the RenderFrameHosts in the FrameTree and creates a set
+  // all the unique RenderWidgetHosts.
+  std::set<RenderWidgetHostImpl*> GetRenderWidgetHostsInTree();
+
   // Callback function when showing JavaScript dialogs.  Takes in a routing ID
   // pair to identify the RenderFrameHost that opened the dialog, because it's
   // possible for the RenderFrameHost to be deleted by the time this is called.
   void OnDialogClosed(int render_process_id,
                       int render_frame_id,
                       IPC::Message* reply_msg,
                       bool dialog_was_suppressed,
                       bool success,
                       const base::string16& user_input);
 
@@ skipping 443 matching lines @@
   bool last_dialog_suppressed_;
 
   scoped_ptr<GeolocationDispatcherHost> geolocation_dispatcher_host_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_