MediaStream API: Removing LocalMediaStream

Source/modules/webaudio/AudioContext.cpp

Index: Source/modules/webaudio/AudioContext.cpp
diff --git a/Source/modules/webaudio/AudioContext.cpp b/Source/modules/webaudio/AudioContext.cpp
index bd7d0566d86ac06e4719963e2966cd541c52762b..46d1916333c40de4a5cda8fd055e05c457b71cb5 100644
--- a/Source/modules/webaudio/AudioContext.cpp
+++ b/Source/modules/webaudio/AudioContext.cpp
@@ -385,15 +385,16 @@ PassRefPtr<MediaStreamAudioSourceNode> AudioContext::createMediaStreamSource(Med
     AudioSourceProvider* provider = 0;
 
     MediaStreamTrackVector audioTracks = mediaStream->getAudioTracks();
-    if (mediaStream->isLocal() && audioTracks.size()) {
-        // Enable input for the specific local audio device specified in the MediaStreamSource.
-        RefPtr<MediaStreamTrack> localAudio = audioTracks[0];
+
+    // FIXME: get a provider for non-local MediaStreams (like from a remote peer).
+    for (size_t i = 0; i < audioTracks.size(); ++i) {
+        RefPtr<MediaStreamTrack> localAudio = audioTracks[i];
         MediaStreamSource* source = localAudio->component()->source();
-        destination()->enableInput(source->deviceId());
-        provider = destination()->localAudioInputProvider();
-    } else {
-        // FIXME: get a provider for non-local MediaStreams (like from a remote peer).
-        provider = 0;
+        if (!source->deviceId().isEmpty()) {
+            destination()->enableInput(source->deviceId());
+            provider = destination()->localAudioInputProvider();
+            break;
+        }
     }
 
     RefPtr<MediaStreamAudioSourceNode> node = MediaStreamAudioSourceNode::create(this, mediaStream, provider);