Cleanup namespace usage in Source/web/[A-V]*.h

Source/web/AssociatedURLLoader.h

 /*
  * Copyright (C) 2010, 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 19 matching lines @@
 
 #ifndef AssociatedURLLoader_h
 #define AssociatedURLLoader_h
 
 #include "public/platform/WebURLLoader.h"
 #include "public/web/WebURLLoaderOptions.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/RefPtr.h"
 
-namespace blink { class DocumentThreadableLoader; }
-
 namespace blink {
 
+class DocumentThreadableLoader;
 class WebLocalFrameImpl;
 
 // This class is used to implement WebFrame::createAssociatedURLLoader.
 class AssociatedURLLoader FINAL : public WebURLLoader {
     WTF_MAKE_NONCOPYABLE(AssociatedURLLoader);
 public:
     AssociatedURLLoader(PassRefPtr<WebLocalFrameImpl>, const WebURLLoaderOptions&);
     ~AssociatedURLLoader();
 
     // WebURLLoader methods:
     virtual void loadSynchronously(const WebURLRequest&, WebURLResponse&, WebURLError&, WebData&) OVERRIDE;
     virtual void loadAsynchronously(const WebURLRequest&, WebURLLoaderClient*) OVERRIDE;
     virtual void cancel() OVERRIDE;
     virtual void setDefersLoading(bool) OVERRIDE;
 
 private:
 
     class ClientAdapter;
 
     RefPtr<WebLocalFrameImpl> m_frameImpl;
     WebURLLoaderOptions m_options;
     WebURLLoaderClient* m_client;
     OwnPtr<ClientAdapter> m_clientAdapter;
-    RefPtr<blink::DocumentThreadableLoader> m_loader;
+    RefPtr<DocumentThreadableLoader> m_loader;
 };
 
 } // namespace blink
 
 #endif