Chrome MediaStream VideoTrack implementation.

content/renderer/media/rtc_peer_connection_handler_unittest.cc

Index: content/renderer/media/rtc_peer_connection_handler_unittest.cc
diff --git a/content/renderer/media/rtc_peer_connection_handler_unittest.cc b/content/renderer/media/rtc_peer_connection_handler_unittest.cc
index 293a327026ef4ebeeff76e8984ec02ffd2db3797..7f0dc36d4ef4fbf4f917cd30fbb62b12896e9536 100644
--- a/content/renderer/media/rtc_peer_connection_handler_unittest.cc
+++ b/content/renderer/media/rtc_peer_connection_handler_unittest.cc
@@ -230,9 +230,11 @@ class RTCPeerConnectionHandlerTest : public ::testing::Test {
     video_source.initialize(blink::WebString::fromUTF8(video_track_label),
                             blink::WebMediaStreamSource::TypeVideo,
                             blink::WebString::fromUTF8("video_track"));
-    video_source.setExtraData(
+    MockMediaStreamVideoSource* native_video_source =
         new MockMediaStreamVideoSource(mock_dependency_factory_.get(),
-                                       false));
+                                       false);
+    video_source.setExtraData(native_video_source);
+
 
     blink::WebVector<blink::WebMediaStreamTrack> audio_tracks(
         static_cast<size_t>(1));
@@ -246,7 +248,16 @@ class RTCPeerConnectionHandlerTest : public ::testing::Test {
         static_cast<size_t>(1));
     video_tracks[0].initialize(video_source.id(), video_source);
     video_tracks[0].setExtraData(
-            new MediaStreamVideoTrack(mock_dependency_factory_.get()));
+        new MediaStreamVideoTrack(
+              native_video_source,
+              mock_dependency_factory_.get()));
+
+    blink::WebMediaConstraints constraints;
+    constraints.initialize();
+    native_video_source->AddTrack(
+        video_tracks[0],
+        constraints,
+        MediaStreamVideoSource::ConstraintsCallback());
 
     blink::WebMediaStream local_stream;
     local_stream.initialize(base::UTF8ToUTF16(stream_label), audio_tracks,