Cleanup namespace usage in Source/core/modules/[mediasource/* to websockets/*]

Source/modules/mediastream/MediaConstraintsImpl.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:
  *
  * 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
@@ skipping 22 matching lines @@
 
 #include "public/platform/WebMediaConstraints.h"
 
 namespace blink {
 
 class Dictionary;
 class ExceptionState;
 
 namespace MediaConstraintsImpl {
 
-blink::WebMediaConstraints create();
-blink::WebMediaConstraints create(const Dictionary&, ExceptionState&);
+WebMediaConstraints create();
+WebMediaConstraints create(const Dictionary&, ExceptionState&);
 
 }
 
 } // namespace blink
 
 #endif // MediaConstraintsImpl_h