Stop using WebCore namespace in generated code

Source/modules/webaudio/AudioListener.h

 /*
  * 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
@@ skipping 96 matching lines @@
 
     // Synchronize a panner's process() with setting of the state of the listener.
     mutable Mutex m_listenerLock;
     // List for pannerNodes in context. This is updated only in the main thread,
     // and can be referred in audio thread.
     WillBeHeapVector<RawPtrWillBeMember<PannerNode> > m_panners;
     // HRTF DB loader for panner node.
     RefPtr<HRTFDatabaseLoader> m_hrtfDatabaseLoader;
 };
 
-} // WebCore
+} // namespace blink
 
 #endif // AudioListener_h