Move out DidStartProvisionalLoad from WebContentsImpl into Navigator.

content/browser/renderer_host/render_view_host_delegate.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_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 133 matching lines @@
 
   // The RenderView died somehow (crashed or was killed by the user).
   virtual void RenderViewTerminated(RenderViewHost* render_view_host,
                                     base::TerminationStatus status,
                                     int error_code) {}
 
   // The RenderView is going to be deleted. This is called when each
   // RenderView is going to be destroyed
   virtual void RenderViewDeleted(RenderViewHost* render_view_host) {}
 
-  // The RenderView started a provisional load for a given frame.
-  virtual void DidStartProvisionalLoadForFrame(
-      RenderViewHost* render_view_host,
-      int64 frame_id,
-      int64 parent_frame_id,
-      bool main_frame,
-      const GURL& url) {}
-
   // The RenderView processed a redirect during a provisional load.
   //
   // TODO(creis): Remove this method and have the pre-rendering code listen to
   // WebContentsObserver::DidGetRedirectForResourceRequest instead.
   // See http://crbug.com/78512.
   virtual void DidRedirectProvisionalLoad(
       RenderViewHost* render_view_host,
       int32 page_id,
       const GURL& source_url,
       const GURL& target_url) {}
@@ skipping 283 matching lines @@
   // created by the RenderViewHost.
   virtual FrameTree* GetFrameTree();
 
  protected:
   virtual ~RenderViewHostDelegate() {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_