Add constructor for MediaStreamAudioSourceNode

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

 /*
  * 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 19 matching lines @@
 #include "modules/webaudio/AudioSourceNode.h"
 #include "platform/audio/AudioSourceProvider.h"
 #include "platform/audio/AudioSourceProviderClient.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/Threading.h"
 #include <memory>
 
 namespace blink {
 
 class BaseAudioContext;
+class MediaStreamAudioSourceOptions;
 
 class MediaStreamAudioSourceHandler final : public AudioHandler {
  public:
   static PassRefPtr<MediaStreamAudioSourceHandler> create(
       AudioNode&,
       MediaStream&,
       MediaStreamTrack*,
       std::unique_ptr<AudioSourceProvider>);
   ~MediaStreamAudioSourceHandler() override;
 
@@ skipping 31 matching lines @@
 
 class MediaStreamAudioSourceNode final : public AudioSourceNode,
                                          public AudioSourceProviderClient {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(MediaStreamAudioSourceNode);
 
  public:
   static MediaStreamAudioSourceNode* create(BaseAudioContext&,
                                             MediaStream&,
                                             ExceptionState&);
+  static MediaStreamAudioSourceNode* create(
+      BaseAudioContext*,
+      const MediaStreamAudioSourceOptions&,
+      ExceptionState&);
+
   DECLARE_VIRTUAL_TRACE();
   MediaStreamAudioSourceHandler& mediaStreamAudioSourceHandler() const;
 
   MediaStream* getMediaStream() const;
 
   // AudioSourceProviderClient functions:
   void setFormat(size_t numberOfChannels, float sampleRate) override;
 
  private:
   MediaStreamAudioSourceNode(BaseAudioContext&,
                              MediaStream&,
                              MediaStreamTrack*,
                              std::unique_ptr<AudioSourceProvider>);
 };
 
 }  // namespace blink
 
 #endif  // MediaStreamAudioSourceNode_h