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

public/platform/WebRTCVoidRequest.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 19 matching lines @@
 
 #ifndef WebRTCVoidRequest_h
 #define WebRTCVoidRequest_h
 
 #include "WebCommon.h"
 #include "WebNonCopyable.h"
 #include "WebPrivatePtr.h"
 #include "WebString.h"
 
 namespace blink {
+
 class RTCVoidRequest;
-}
-
-namespace blink {
 
 class WebRTCVoidRequest {
 public:
     class ExtraData {
     public:
         virtual ~ExtraData() { }
     };
 
     WebRTCVoidRequest() { }
     WebRTCVoidRequest(const WebRTCVoidRequest& other) { assign(other); }
@@ skipping 14 matching lines @@
     BLINK_PLATFORM_EXPORT void requestFailed(const WebString& error) const;
 
     // Extra data associated with this object.
     // If non-null, the extra data pointer will be deleted when the object is destroyed.
     // Setting the extra data pointer will cause any existing non-null
     // extra data pointer to be deleted.
     BLINK_PLATFORM_EXPORT ExtraData* extraData() const;
     BLINK_PLATFORM_EXPORT void setExtraData(ExtraData*);
 
 #if INSIDE_BLINK
-    BLINK_PLATFORM_EXPORT WebRTCVoidRequest(const WTF::PassRefPtr<blink::RTCVoidRequest>&);
+    BLINK_PLATFORM_EXPORT WebRTCVoidRequest(const WTF::PassRefPtr<RTCVoidRequest>&);
 #endif
 
 private:
-    WebPrivatePtr<blink::RTCVoidRequest> m_private;
+    WebPrivatePtr<RTCVoidRequest> m_private;
 };
 
 } // namespace blink
 
 #endif // WebRTCVoidRequest_h