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

Source/web/WebDataSourceImpl.cpp

 /*
  * 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 18 matching lines @@
  */
 
 #include "config.h"
 #include "web/WebDataSourceImpl.h"
 
 #include "core/dom/Document.h"
 #include "public/platform/WebURL.h"
 #include "public/platform/WebURLError.h"
 #include "public/platform/WebVector.h"
 
-using namespace blink;
-
 namespace blink {
 
 static OwnPtr<WebPluginLoadObserver>& nextPluginLoadObserver()
 {
     DEFINE_STATIC_LOCAL(OwnPtr<WebPluginLoadObserver>, nextPluginLoadObserver, ());
     return nextPluginLoadObserver;
 }
 
 PassRefPtr<WebDataSourceImpl> WebDataSourceImpl::create(LocalFrame* frame, const ResourceRequest& request, const SubstituteData& data)
 {
@@ skipping 113 matching lines @@
 
     ASSERT(nextPluginLoadObserver()->url() == WebURL(request.url()));
     m_pluginLoadObserver = nextPluginLoadObserver().release();
 }
 
 WebDataSourceImpl::~WebDataSourceImpl()
 {
 }
 
 } // namespace blink