Move a bunch more code into the content namespace.

content/public/browser/web_contents_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_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_
 
 #include <set>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/string16.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/navigation_type.h"
 #include "content/public/common/media_stream_request.h"
 #include "content/public/common/page_transition_types.h"
 #include "content/public/common/window_container_type.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/rect_f.h"
 #include "webkit/glue/window_open_disposition.h"
 
 class FilePath;
 class GURL;
-class WebContentsImpl;
 
 namespace base {
 class ListValue;
 }
 
 namespace content {
 class BrowserContext;
 class ColorChooser;
 class DownloadItem;
 class JavaScriptDialogCreator;
 class RenderViewHost;
 class WebContents;
+class WebContentsImpl;
 class WebIntentsDispatcher;
 struct ContextMenuParams;
 struct FileChooserParams;
 struct NativeWebKeyboardEvent;
 struct SSLStatus;
 }
 
 namespace gfx {
 class Point;
 class Rect;
@@ skipping 378 matching lines @@
   // Called before a compositing layer becomes invalid so the delegate can
   // remove it from the layer tree.
   virtual void RemoveLayer(WebContents* web_contents,
                            WebKit::WebLayer* layer) {}
 #endif
 
  protected:
   virtual ~WebContentsDelegate();
 
  private:
-  friend class ::WebContentsImpl;
+  friend class WebContentsImpl;
 
   // Called when |this| becomes the WebContentsDelegate for |source|.
   void Attach(WebContents* source);
 
   // Called when |this| is no longer the WebContentsDelegate for |source|.
   void Detach(WebContents* source);
 
   // The WebContents that this is currently a delegate for.
   std::set<WebContents*> attached_contents_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_CONTENTS_DELEGATE_H_