Cleanup namespace usage from animation to exported in platform/

Source/platform/exported/WebRTCStatsRequest.cpp

 /*
  * Copyright (C) 2012 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 21 matching lines @@
 
 #include "public/platform/WebRTCStatsRequest.h"
 
 #include "platform/mediastream/RTCStatsRequest.h"
 #include "platform/mediastream/RTCStatsResponseBase.h"
 #include "public/platform/WebMediaStream.h"
 #include "public/platform/WebMediaStreamTrack.h"
 #include "public/platform/WebRTCStatsResponse.h"
 #include "wtf/PassOwnPtr.h"
 
-using namespace blink;
-
 namespace blink {
 
 WebRTCStatsRequest::WebRTCStatsRequest(const PassRefPtr<RTCStatsRequest>& request)
     : m_private(request)
 {
 }
 
 void WebRTCStatsRequest::assign(const WebRTCStatsRequest& other)
 {
     m_private = other.m_private;
@@ skipping 18 matching lines @@
 {
     return WebMediaStreamTrack(m_private->component());
 }
 
 void WebRTCStatsRequest::requestSucceeded(const WebRTCStatsResponse& response) const
 {
     m_private->requestSucceeded(response);
 }
 
 } // namespace blink