Remove AboutToNavigateRenderFrame, issue custom notification for DevTools.

content/browser/devtools/render_frame_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_FRAME_DEVTOOLS_AGENT_HOST_H_
 #define CONTENT_BROWSER_DEVTOOLS_RENDER_FRAME_DEVTOOLS_AGENT_HOST_H_
 
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 33 matching lines @@
 }
 
 class CONTENT_EXPORT RenderFrameDevToolsAgentHost
     : public DevToolsAgentHostImpl,
       private WebContentsObserver {
  public:
   static void AddAllAgentHosts(DevToolsAgentHost::List* result);
 
   static void OnCancelPendingNavigation(RenderFrameHost* pending,
                                         RenderFrameHost* current);
+  static void OnBeforeNavigation(RenderFrameHost* current,
+                                 RenderFrameHost* pending);
 
   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;
@@ skipping 15 matching lines @@
   static void AppendAgentHostForFrameIfApplicable(
       DevToolsAgentHost::List* result,
       RenderFrameHost* host);
 
   // DevToolsAgentHostImpl overrides.
   void Attach() override;
   void Detach() override;
   void InspectElement(int x, int y) override;
 
   // WebContentsObserver overrides.
-  void AboutToNavigateRenderFrame(RenderFrameHost* old_host,
-                                  RenderFrameHost* new_host) override;
   void RenderFrameHostChanged(RenderFrameHost* old_host,
                               RenderFrameHost* new_host) override;
   void FrameDeleted(RenderFrameHost* rfh) override;
   void RenderFrameDeleted(RenderFrameHost* rfh) 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 DidCommitProvisionalLoadForFrame(
       RenderFrameHost* render_frame_host,
       const GURL& url,
       ui::PageTransition transition_type) override;
   void DidFailProvisionalLoad(
       RenderFrameHost* render_frame_host,
       const GURL& validated_url,
       int error_code,
       const base::string16& error_description,
       bool was_ignored_by_handler) override;
 
+  void AboutToNavigateRenderFrame(RenderFrameHost* old_host,
+                                  RenderFrameHost* new_host);
+
   void SetPending(RenderFrameHostImpl* host);
   void CommitPending();
   void DiscardPending();
   void UpdateProtocolHandlers(RenderFrameHostImpl* host);
 
   bool IsChildFrame();
 
   void OnClientAttached();
   void OnClientDetached();
 
@@ skipping 26 matching lines @@
 #endif
   scoped_ptr<DevToolsProtocolHandler> protocol_handler_;
   bool current_frame_crashed_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameDevToolsAgentHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DEVTOOLS_RENDER_FRAME_DEVTOOLS_AGENT_HOST_H_