1 files changed, 4 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/modules/mediastream/MediaStream.idl b/chromium/third_party/WebKit/Source/modules/mediastream/MediaStream.idl
index 8191d0a3285..60a9712d385 100644
--- a/chromium/third_party/WebKit/Source/modules/mediastream/MediaStream.idl
+++ b/chromium/third_party/WebKit/Source/modules/mediastream/MediaStream.idl
@@ -22,7 +22,10 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+// http://dev.w3.org/2011/webrtc/editor/getusermedia.html#idl-def-MediaStream
+
 [
+    WillBeGarbageCollected,
     Constructor,
     Constructor(MediaStream stream),
     Constructor(MediaStreamTrack[] tracks),
@@ -40,6 +43,7 @@
     [RaisesException] void addTrack(MediaStreamTrack track);
     [RaisesException] void removeTrack(MediaStreamTrack track);
     MediaStreamTrack getTrackById(DOMString trackId);
+    [CallWith=ExecutionContext] MediaStream clone();
 
     readonly attribute boolean ended;