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

Source/web/ServiceWorkerGlobalScopeClientImpl.cpp

 /*
  * Copyright (C) 2014 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 20 matching lines @@
 #include "config.h"
 #include "web/ServiceWorkerGlobalScopeClientImpl.h"
 
 #include "modules/serviceworkers/Response.h"
 #include "platform/NotImplemented.h"
 #include "public/platform/WebServiceWorkerResponse.h"
 #include "public/platform/WebURL.h"
 #include "public/web/WebServiceWorkerContextClient.h"
 #include "wtf/PassOwnPtr.h"
 
-using namespace blink;
-
 namespace blink {
 
 PassOwnPtrWillBeRawPtr<ServiceWorkerGlobalScopeClient> ServiceWorkerGlobalScopeClientImpl::create(WebServiceWorkerContextClient& client)
 {
     return adoptPtrWillBeNoop(new ServiceWorkerGlobalScopeClientImpl(client));
 }
 
 ServiceWorkerGlobalScopeClientImpl::~ServiceWorkerGlobalScopeClientImpl()
 {
 }
@@ skipping 49 matching lines @@
 {
     m_client.postMessageToClient(clientID, message, webChannels.leakPtr());
 }
 
 ServiceWorkerGlobalScopeClientImpl::ServiceWorkerGlobalScopeClientImpl(WebServiceWorkerContextClient& client)
     : m_client(client)
 {
 }
 
 } // namespace blink