Update MediaStreamTrack::Stop to latest draft.

content/renderer/media/media_stream_dependency_factory.cc

Index: content/renderer/media/media_stream_dependency_factory.cc
diff --git a/content/renderer/media/media_stream_dependency_factory.cc b/content/renderer/media/media_stream_dependency_factory.cc
index 1a829c3850ae51e95c6233aef817f361520651e9..53e7ce7566aaa2a49e59b0174168f2eabdad4628 100644
--- a/content/renderer/media/media_stream_dependency_factory.cc
+++ b/content/renderer/media/media_stream_dependency_factory.cc
@@ -205,7 +205,8 @@ bool MediaStreamDependencyFactory::InitializeMediaStreamAudioSource(
                                  &device_info.device.input.effects);
 
   scoped_refptr<WebRtcAudioCapturer> capturer(
-      CreateAudioCapturer(render_view_id, device_info, audio_constraints));
+      CreateAudioCapturer(render_view_id, device_info, audio_constraints,
+                          source_data));
   if (!capturer.get()) {
     DLOG(WARNING) << "Failed to create the capturer for device "
         << device_info.device.id;
@@ -704,7 +705,8 @@ scoped_refptr<WebRtcAudioCapturer>
 MediaStreamDependencyFactory::CreateAudioCapturer(
     int render_view_id,
     const StreamDeviceInfo& device_info,
-    const blink::WebMediaConstraints& constraints) {
+    const blink::WebMediaConstraints& constraints,
+    MediaStreamAudioSource* audio_source) {
   // TODO(xians): Handle the cases when gUM is called without a proper render
   // view, for example, by an extension.
   DCHECK_GE(render_view_id, 0);
@@ -713,7 +715,8 @@ MediaStreamDependencyFactory::CreateAudioCapturer(
   DCHECK(GetWebRtcAudioDevice());
   return WebRtcAudioCapturer::CreateCapturer(render_view_id, device_info,
                                              constraints,
-                                             GetWebRtcAudioDevice());
+                                             GetWebRtcAudioDevice(),
+                                             audio_source);
 }
 
 void MediaStreamDependencyFactory::AddNativeTrackToBlinkTrack(