Stop using WebCore namespace in generated code

Source/platform/audio/AudioUtilities.cpp

 /*
  * Copyright (C) 2010, 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 43 matching lines @@
 {
     return 1 - exp(-1 / (sampleRate * timeConstant));
 }
 
 size_t timeToSampleFrame(double time, double sampleRate)
 {
     return static_cast<size_t>(round(time * sampleRate));
 }
 } // AudioUtilites
 
-} // WebCore
+} // namespace blink
 
 #endif // ENABLE(WEB_AUDIO)