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

Source/web/WebDOMMessageEvent.cpp

 /*
  * Copyright (C) 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 23 matching lines @@
 #include "bindings/core/v8/SerializedScriptValue.h"
 #include "core/dom/Document.h"
 #include "core/dom/MessagePort.h"
 #include "core/events/MessageEvent.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "public/platform/WebString.h"
 #include "public/web/WebFrame.h"
 #include "public/web/WebSerializedScriptValue.h"
 #include "web/WebLocalFrameImpl.h"
 
-using namespace blink;
-
 namespace blink {
 
 void WebDOMMessageEvent::initMessageEvent(const WebString& type, bool canBubble, bool cancelable, const WebSerializedScriptValue& messageData, const WebString& origin, const WebFrame* sourceFrame, const WebString& lastEventId, const WebMessagePortChannelArray& webChannels)
 {
     ASSERT(m_private.get());
     ASSERT(isMessageEvent());
     LocalDOMWindow* window = 0;
     if (sourceFrame)
         window = toWebLocalFrameImpl(sourceFrame)->frame()->domWindow();
     OwnPtrWillBeRawPtr<MessagePortArray> ports = nullptr;
@@ skipping 17 matching lines @@
     MessagePortChannelArray* channels = constUnwrap<MessageEvent>()->channels();
     WebMessagePortChannelArray webChannels(channels ? channels->size() : 0);
     if (channels) {
         for (size_t i = 0; i < channels->size(); ++i)
             webChannels[i] = (*channels)[i].leakPtr();
     }
     return webChannels;
 }
 
 } // namespace blink