Move RenderWidgetHostView into content namespace. Fix include paths.

content/public/browser/web_contents_view.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_BROWSER_WEB_CONTENTS_VIEW_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_H_
 #pragma once
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/render_view_host_delegate.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
 class RenderViewHost;
 class RenderWidgetHost;
-class RenderWidgetHostView;
 class TabContents;
 
 namespace content {
 
+class RenderWidgetHostView;
+
 // The WebContentsView is an interface that is implemented by the platform-
 // dependent web contents views. The TabContents uses this interface to talk to
 // them. View-related messages will also get forwarded directly to this class
 // from RenderViewHost via RenderViewHostDelegate::View.
 class CONTENT_EXPORT WebContentsView
     : public content::RenderViewHostDelegate::View {
  public:
   WebContentsView() {}
   virtual ~WebContentsView() {}
 
@@ skipping 97 matching lines @@
   // Removes the native overlay view installed by |InstallOverlayView|.
   virtual void RemoveOverlayView() = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(WebContentsView);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_VIEW_H_