Remove AudioSourceNode class

third_party/WebKit/Source/modules/webaudio/MediaStreamAudioSourceNode.cpp

 /*
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 111 matching lines @@
   }
 }
 
 // ----------------------------------------------------------------
 
 MediaStreamAudioSourceNode::MediaStreamAudioSourceNode(
     BaseAudioContext& context,
     MediaStream& mediaStream,
     MediaStreamTrack* audioTrack,
     std::unique_ptr<AudioSourceProvider> audioSourceProvider)
-    : AudioSourceNode(context) {
+    : AudioNode(context) {
   setHandler(MediaStreamAudioSourceHandler::create(
       *this, mediaStream, audioTrack, std::move(audioSourceProvider)));
 }
 
 MediaStreamAudioSourceNode* MediaStreamAudioSourceNode::create(
     BaseAudioContext& context,
     MediaStream& mediaStream,
     ExceptionState& exceptionState) {
   DCHECK(isMainThread());
 
@@ skipping 31 matching lines @@
 
 MediaStreamAudioSourceNode* MediaStreamAudioSourceNode::create(
     BaseAudioContext* context,
     const MediaStreamAudioSourceOptions& options,
     ExceptionState& exceptionState) {
   return create(*context, *options.mediaStream(), exceptionState);
 }
 
 DEFINE_TRACE(MediaStreamAudioSourceNode) {
   AudioSourceProviderClient::trace(visitor);
-  AudioSourceNode::trace(visitor);
+  AudioNode::trace(visitor);
 }
 
 MediaStreamAudioSourceHandler&
 MediaStreamAudioSourceNode::mediaStreamAudioSourceHandler() const {
   return static_cast<MediaStreamAudioSourceHandler&>(handler());
 }
 
 MediaStream* MediaStreamAudioSourceNode::getMediaStream() const {
   return mediaStreamAudioSourceHandler().getMediaStream();
 }
 
 void MediaStreamAudioSourceNode::setFormat(size_t numberOfChannels,
                                            float sourceSampleRate) {
   mediaStreamAudioSourceHandler().setFormat(numberOfChannels, sourceSampleRate);
 }
 
 }  // namespace blink