Index: third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.h |
diff --git a/third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.h b/third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.h |
index 434b5445f90836a03e19c98cdfd8bfdcb8b30220..afe5605d4a85635cefd9c1342f142ec436bdc22d 100644 |
--- a/third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.h |
+++ b/third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.h |
@@ -67,7 +67,7 @@ public: |
static void getSources(ExecutionContext*, MediaStreamTrackSourcesCallback*, ExceptionState&); |
void stopTrack(ExceptionState&); |
- MediaStreamTrack* clone(ExecutionContext*); |
+ virtual MediaStreamTrack* clone(ExecutionContext*); |
DEFINE_ATTRIBUTE_EVENT_LISTENER(mute); |
DEFINE_ATTRIBUTE_EVENT_LISTENER(unmute); |