OOPIF: report both original and destination rfh in AboutToNavigateRenderFrame.

content/browser/devtools/render_view_devtools_agent_host.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_DEVTOOLS_RENDER_VIEW_DEVTOOLS_AGENT_HOST_H_
 #define CONTENT_BROWSER_DEVTOOLS_RENDER_VIEW_DEVTOOLS_AGENT_HOST_H_
 
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 34 matching lines @@
     : public IPCDevToolsAgentHost,
       private WebContentsObserver,
       public NotificationObserver {
  public:
   static void OnCancelPendingNavigation(RenderFrameHost* pending,
                                         RenderFrameHost* current);
 
   void SynchronousSwapCompositorFrame(
       const cc::CompositorFrameMetadata& frame_metadata);
 
+  bool HasRenderFrameHost(RenderFrameHost* host);
+
   // DevTooolsAgentHost overrides.
   void DisconnectWebContents() override;
   void ConnectWebContents(WebContents* web_contents) override;
   BrowserContext* GetBrowserContext() override;
   WebContents* GetWebContents() override;
   Type GetType() override;
   std::string GetTitle() override;
   GURL GetURL() override;
   bool Activate() override;
   bool Close() override;
 
  private:
   friend class DevToolsAgentHost;
   explicit RenderViewDevToolsAgentHost(RenderFrameHost*);
   ~RenderViewDevToolsAgentHost() override;
 
   // IPCDevToolsAgentHost overrides.
   void DispatchProtocolMessage(const std::string& message) override;
   void SendMessageToAgent(IPC::Message* msg) override;
   void OnClientAttached() override;
   void OnClientDetached() override;
 
   // WebContentsObserver overrides.
-  void AboutToNavigateRenderFrame(RenderFrameHost* render_frame_host) override;
+  void AboutToNavigateRenderFrame(RenderFrameHost* old_host,
+                                  RenderFrameHost* new_host) override;
   void RenderFrameHostChanged(RenderFrameHost* old_host,
                               RenderFrameHost* new_host) override;
   void RenderFrameDeleted(RenderFrameHost* rvh) override;
   void RenderProcessGone(base::TerminationStatus status) override;
   bool OnMessageReceived(const IPC::Message& message,
                          RenderFrameHost* render_frame_host) override;
   bool OnMessageReceived(const IPC::Message& message) override;
   void DidAttachInterstitialPage() override;
   void DidDetachInterstitialPage() override;
   void TitleWasSet(NavigationEntry* entry, bool explicit_set) override;
@@ skipping 38 matching lines @@
 #endif
   NotificationRegistrar registrar_;
   bool reattaching_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewDevToolsAgentHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_RENDER_VIEW_DEVTOOLS_AGENT_HOST_H_