Cleanup namespace usage in public/platform/{Web[P-W]*,linux/*}.h

public/platform/WebRTCStatsRequest.h

 /*
  * 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 18 matching lines @@
  */
 
 #ifndef WebRTCStatsRequest_h
 #define WebRTCStatsRequest_h
 
 #include "WebCommon.h"
 #include "WebPrivatePtr.h"
 #include "WebString.h"
 
 namespace blink {
+
 class RTCStatsRequest;
-}
-
-namespace blink {
-
 class WebMediaStreamTrack;
 class WebMediaStream;
 class WebRTCStatsResponse;
 
 // The WebRTCStatsRequest class represents a JavaScript call on
 // RTCPeerConnection.getStats(). The user of this API will use
 // the calls on this class and WebRTCStatsResponse to fill in the
 // data that will be returned via a callback to the user in an
 // RTCStatsResponse structure.
 //
@@ skipping 34 matching lines @@
     // The component() accessor give the information
     // required to look up a MediaStreamTrack implementation.
     // It is only useful to call it when hasSelector() returns true.
     BLINK_PLATFORM_EXPORT const WebMediaStreamTrack component() const;
 
     BLINK_PLATFORM_EXPORT void requestSucceeded(const WebRTCStatsResponse&) const;
 
     BLINK_PLATFORM_EXPORT WebRTCStatsResponse createResponse() const;
 
 #if INSIDE_BLINK
-    BLINK_PLATFORM_EXPORT WebRTCStatsRequest(const PassRefPtr<blink::RTCStatsRequest>&);
+    BLINK_PLATFORM_EXPORT WebRTCStatsRequest(const PassRefPtr<RTCStatsRequest>&);
 #endif
 
 private:
-    WebPrivatePtr<blink::RTCStatsRequest> m_private;
+    WebPrivatePtr<RTCStatsRequest> m_private;
 };
 
 } // namespace blink
 
 #endif // WebRTCStatsRequest_h