move favicon download code from chrome/ into content/

content/public/renderer/render_view_observer.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_PUBLIC_RENDERER_RENDER_VIEW_OBSERVER_H_
 #define CONTENT_PUBLIC_RENDERER_RENDER_VIEW_OBSERVER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "content/common/content_export.h"
@@ skipping 31 matching lines @@
 class CONTENT_EXPORT RenderViewObserver : public IPC::Listener,
                                           public IPC::Sender {
  public:
   // By default, observers will be deleted when the RenderView goes away.  If
   // they want to outlive it, they can override this function.
   virtual void OnDestruct();
 
   // These match the WebKit API notifications
   virtual void DidStartLoading() {}
   virtual void DidStopLoading() {}
-  virtual void DidChangeIcon(WebKit::WebFrame* frame,
-                             WebKit::WebIconURL::Type) {}
   virtual void DidFinishDocumentLoad(WebKit::WebFrame* frame) {}
   virtual void DidFailLoad(WebKit::WebFrame* frame,
                            const WebKit::WebURLError& error) {}
   virtual void DidFinishLoad(WebKit::WebFrame* frame) {}
   virtual void DidStartProvisionalLoad(WebKit::WebFrame* frame) {}
   virtual void DidFailProvisionalLoad(WebKit::WebFrame* frame,
                                       const WebKit::WebURLError& error) {}
   virtual void DidCommitProvisionalLoad(WebKit::WebFrame* frame,
                                         bool is_new_navigation) {}
   virtual void DidClearWindowObject(WebKit::WebFrame* frame) {}
@@ skipping 55 matching lines @@
   RenderView* render_view_;
   // The routing ID of the associated RenderView.
   int routing_id_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewObserver);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_RENDER_VIEW_OBSERVER_H_