Roll 50: Copied IDLs, PYTHON scripts from WebKit removed deleted files in WebCore

modules/mediastream/MediaStream.idl

Index: modules/mediastream/MediaStream.idl
diff --git a/modules/mediastream/MediaStream.idl b/modules/mediastream/MediaStream.idl
index 1a042b7cf0c2f2e187c7ae5202c363968d7833d0..146dff17fbdb1316653573e0a6e59a8ea1af91af 100644
--- a/modules/mediastream/MediaStream.idl
+++ b/modules/mediastream/MediaStream.idl
@@ -22,7 +22,7 @@
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-// http://dev.w3.org/2011/webrtc/editor/getusermedia.html#idl-def-MediaStream
+// http://w3c.github.io/mediacapture-main/getusermedia.html#idl-def-MediaStream
 
 [
     GarbageCollected,
@@ -32,8 +32,6 @@
     ConstructorCallWith=ExecutionContext,
     NoInterfaceObject,
 ] interface MediaStream : EventTarget {
-    // DEPRECATED
-    [DeprecateAs=MediaStreamLabel] readonly attribute DOMString label;
 
     readonly attribute DOMString id;
 
@@ -45,18 +43,13 @@
     [RaisesException] void removeTrack(MediaStreamTrack track);
     MediaStreamTrack getTrackById(DOMString trackId);
     [CallWith=ExecutionContext] MediaStream clone();
-    // DEPRECATED
-    [DeprecateAs=MediaStreamEnded] readonly attribute boolean ended;
 
     readonly attribute boolean active;
 
-    // DEPRECATED
-    [DeprecateAs=MediaStreamStop] void stop();
-
     attribute EventHandler onactive;
     attribute EventHandler oninactive;
     //  DEPRECATED
-    attribute EventHandler onended;
+    [MeasureAs=MediaStreamOnEnded] attribute EventHandler onended;
 
     attribute EventHandler onaddtrack;
     attribute EventHandler onremovetrack;