Move a bunch of code in content\renderer to the content namespace.

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"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_sender.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIconURL.h"
 
-class RenderViewImpl;
-
 namespace ppapi {
 namespace host {
 class PpapiHost;
 }
 }
 
 namespace WebKit {
 class WebDataSource;
 class WebFrame;
 class WebFormElement;
 class WebMediaPlayerClient;
 class WebMouseEvent;
 class WebNode;
 class WebTouchEvent;
 class WebURL;
 struct WebURLError;
 }
 
 namespace content {
 
 class RendererPpapiHost;
 class RenderView;
+class RenderViewImpl;
 
 // Base class for objects that want to filter incoming IPCs, and also get
 // notified of changes to the frame.
 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();
 
@@ skipping 51 matching lines @@
   explicit RenderViewObserver(RenderView* render_view);
   virtual ~RenderViewObserver();
 
   // IPC::Sender implementation.
   virtual bool Send(IPC::Message* message) OVERRIDE;
 
   RenderView* render_view();
   int routing_id() { return routing_id_; }
 
  private:
-  friend class ::RenderViewImpl;
+  friend class RenderViewImpl;
 
   // This is called by the RenderView when it's going away so that this object
   // can null out its pointer.
   void RenderViewGone();
 
   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_