Should throw TypeError instead of TypeMismatchError (modules)

Source/modules/mediastream/MediaStream.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2011, 2012 Ericsson AB. 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 155 matching lines @@
 }
 
 void MediaStream::addTrack(PassRefPtr<MediaStreamTrack> prpTrack, ExceptionState& exceptionState)
 {
     if (ended()) {
         exceptionState.throwDOMException(InvalidStateError, "The MediaStream is finished.");
         return;
     }
 
     if (!prpTrack) {
-        exceptionState.throwDOMException(TypeMismatchError, "The MediaStreamTrack provided is invalid.");
+        exceptionState.throwDOMException(TypeError, "The MediaStreamTrack provided is invalid.");
         return;
     }
 
     RefPtr<MediaStreamTrack> track = prpTrack;
 
     if (getTrackById(track->id()))
         return;
 
     switch (track->component()->source()->type()) {
     case MediaStreamSource::TypeAudio:
         m_audioTracks.append(track);
         break;
     case MediaStreamSource::TypeVideo:
         m_videoTracks.append(track);
         break;
     }
     track->addObserver(this);
     m_descriptor->addComponent(track->component());
     MediaStreamCenter::instance().didAddMediaStreamTrack(m_descriptor.get(), track->component());
 }
 
 void MediaStream::removeTrack(PassRefPtr<MediaStreamTrack> prpTrack, ExceptionState& exceptionState)
 {
     if (ended()) {
         exceptionState.throwDOMException(InvalidStateError, "The MediaStream is finished.");
         return;
     }
 
     if (!prpTrack) {
-        exceptionState.throwDOMException(TypeMismatchError, "The MediaStreamTrack provided is invalid.");
+        exceptionState.throwDOMException(TypeError, "The MediaStreamTrack provided is invalid.");
         return;
     }
 
     RefPtr<MediaStreamTrack> track = prpTrack;
 
     size_t pos = kNotFound;
     switch (track->component()->source()->type()) {
     case MediaStreamSource::TypeAudio:
         pos = m_audioTracks.find(track);
         if (pos != kNotFound)
@@ skipping 170 matching lines @@
 
     events.clear();
 }
 
 URLRegistry& MediaStream::registry() const
 {
     return MediaStreamRegistry::registry();
 }
 
 } // namespace WebCore