Add constructor for MediaStreamAudioSourceNode

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

Index: third_party/WebKit/Source/modules/webaudio/MediaStreamAudioSourceNode.h
diff --git a/third_party/WebKit/Source/modules/webaudio/MediaStreamAudioSourceNode.h b/third_party/WebKit/Source/modules/webaudio/MediaStreamAudioSourceNode.h
index 859e1e19b8e312151c290c7041978891d2257a1e..2808b7550af61a85b024fc51008e1298f48483a6 100644
--- a/third_party/WebKit/Source/modules/webaudio/MediaStreamAudioSourceNode.h
+++ b/third_party/WebKit/Source/modules/webaudio/MediaStreamAudioSourceNode.h
@@ -37,6 +37,7 @@
 namespace blink {
 
 class BaseAudioContext;
+class MediaStreamAudioSourceOptions;
 
 class MediaStreamAudioSourceHandler final : public AudioHandler {
  public:
@@ -88,6 +89,11 @@ class MediaStreamAudioSourceNode final : public AudioSourceNode,
   static MediaStreamAudioSourceNode* create(BaseAudioContext&,
                                             MediaStream&,
                                             ExceptionState&);
+  static MediaStreamAudioSourceNode* create(
+      BaseAudioContext*,

[hongchan, 2016/10/06 17:51:43]

Why the constructor above is using different reference of AudioContext? (* and
&)

[Raymond Toy, 2016/10/07 15:18:00]

All the other constructors do this, and the generated code passes in
AudioContext*.

+      const MediaStreamAudioSourceOptions&,
+      ExceptionState&);
+
   DECLARE_VIRTUAL_TRACE();
   MediaStreamAudioSourceHandler& mediaStreamAudioSourceHandler() const;