Cleanup namespace usage in Source/web/Web*.h

Source/web/WebSharedWorkerImpl.h

 /*
  * Copyright (C) 2009 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 28 matching lines @@
 #include "core/workers/WorkerScriptLoaderClient.h"
 #include "core/workers/WorkerThread.h"
 #include "public/web/WebContentSecurityPolicy.h"
 #include "public/web/WebFrameClient.h"
 #include "public/web/WebSharedWorkerClient.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/WeakPtr.h"
 
 namespace blink {
+
 class ConsoleMessage;
 class ResourceResponse;
 class WebApplicationCacheHost;
 class WebApplicationCacheHostClient;
 class WebWorkerClient;
 class WebSecurityOrigin;
 class WebString;
 class WebURL;
 class WebView;
 class WebWorker;
@@ skipping 90 matching lines @@
     OwnPtr<Loader> m_mainScriptLoader;
     WebURL m_url;
     WebString m_name;
     WebString m_contentSecurityPolicy;
     WebContentSecurityPolicyType m_policyType;
 };
 
 } // namespace blink
 
 #endif