Should throw TypeError instead of TypeMismatchError (modules)

Source/modules/mediastream/MediaStream.cpp

Index: Source/modules/mediastream/MediaStream.cpp
diff --git a/Source/modules/mediastream/MediaStream.cpp b/Source/modules/mediastream/MediaStream.cpp
index bfde31b33394c5d664505278a5aa0e5211aefd1b..4ecb15cd79ab4a99ce3a350f6adabcc75e470df3 100644
--- a/Source/modules/mediastream/MediaStream.cpp
+++ b/Source/modules/mediastream/MediaStream.cpp
@@ -173,7 +173,7 @@ void MediaStream::addTrack(PassRefPtr<MediaStreamTrack> prpTrack, ExceptionState
     }
 
     if (!prpTrack) {
-        exceptionState.throwDOMException(TypeMismatchError, "The MediaStreamTrack provided is invalid.");
+        exceptionState.throwDOMException(TypeError, "The MediaStreamTrack provided is invalid.");
         return;
     }
 
@@ -203,7 +203,7 @@ void MediaStream::removeTrack(PassRefPtr<MediaStreamTrack> prpTrack, ExceptionSt
     }
 
     if (!prpTrack) {
-        exceptionState.throwDOMException(TypeMismatchError, "The MediaStreamTrack provided is invalid.");
+        exceptionState.throwDOMException(TypeError, "The MediaStreamTrack provided is invalid.");
         return;
     }