Cleanup namespace usage from animation to exported in platform/

Source/platform/exported/WebRTCStatsResponse.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:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 11 matching lines @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "public/platform/WebRTCStatsResponse.h"
 
 #include "platform/mediastream/RTCStatsResponseBase.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/text/WTFString.h"
 
-using namespace blink;
-
 namespace blink {
 
 WebRTCStatsResponse::WebRTCStatsResponse(RTCStatsResponseBase* request)
     : m_private(request)
 {
 }
 
 void WebRTCStatsResponse::assign(const WebRTCStatsResponse& other)
 {
     m_private = other.m_private;
 }
 
 void WebRTCStatsResponse::reset()
 {
     m_private.reset();
 }
 
-WebRTCStatsResponse::operator blink::RTCStatsResponseBase*() const
+WebRTCStatsResponse::operator RTCStatsResponseBase*() const
 {
     return m_private.get();
 }
 
 size_t WebRTCStatsResponse::addReport(const WebString& id, const WebString& type, double timestamp)
 {
     ASSERT(!m_private.isNull());
     return m_private->addReport(id, type, timestamp);
 }
 
 void WebRTCStatsResponse::addStatistic(size_t report, const WebString& name, const WebString& value)
 {
     ASSERT(!m_private.isNull());
     m_private->addStatistic(report, name, value);
 }
 
 } // namespace blink