Fix pushState causing stop/reload button and favicon to flicker.

content/browser/web_contents/web_contents_impl.h

Index: content/browser/web_contents/web_contents_impl.h
diff --git a/content/browser/web_contents/web_contents_impl.h b/content/browser/web_contents/web_contents_impl.h
index d4f404509edb709249a9a16b909cffedd4213642..d7b66a912c303942317631d5fcf67fb0f83abc00 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -302,7 +302,8 @@ class CONTENT_EXPORT WebContentsImpl
                                  const IPC::Message& message) OVERRIDE;
   virtual void RenderFrameCreated(RenderFrameHost* render_frame_host) OVERRIDE;
   virtual void RenderFrameDeleted(RenderFrameHost* render_frame_host) OVERRIDE;
-  virtual void DidStartLoading(RenderFrameHost* render_frame_host) OVERRIDE;
+  virtual void DidStartLoading(RenderFrameHost* render_frame_host,
+                               bool to_different_document) OVERRIDE;
   virtual void DidStopLoading(RenderFrameHost* render_frame_host) OVERRIDE;
   virtual void WorkerCrashed(RenderFrameHost* render_frame_host) OVERRIDE;
   virtual void ShowContextMenu(RenderFrameHost* render_frame_host,
@@ -589,6 +590,7 @@ class CONTENT_EXPORT WebContentsImpl
   // (but can be null if not applicable).
   virtual void SetIsLoading(RenderViewHost* render_view_host,
                             bool is_loading,
+                            bool to_different_document,
                             LoadNotificationDetails* details) OVERRIDE;
 
   typedef base::Callback<void(WebContents*)> CreatedCallback;