[PPAPI] API thunk for video media stream track.

ppapi/api/ppb_media_stream_video_track.idl

Index: ppapi/api/ppb_media_stream_video_track.idl
diff --git a/ppapi/api/ppb_media_stream_video_track.idl b/ppapi/api/ppb_media_stream_video_track.idl
index f6e1238f6e56191af658a0fb04b8de1376fc61d4..30526607d30ca98580103e641ce830fa9a7dd10f 100644
--- a/ppapi/api/ppb_media_stream_video_track.idl
+++ b/ppapi/api/ppb_media_stream_video_track.idl
@@ -8,6 +8,9 @@
  * receiving video frames from a MediaStream video track in the browser.
  * This interface is still in development (Dev API status) and may change.
  */
+
+[generate_thunk]
+
 label Chrome {
   [channel=dev] M34 = 0.1
 };
@@ -65,6 +68,7 @@ interface PPB_MediaStreamVideoTrack {
    * @return A <code>PP_Bool</code> with <code>PP_TRUE</code> if the given
    * MediaStream track has ended or <code>PP_FALSE</code> otherwise.
    */
+  [on_failure=PP_TRUE]
   PP_Bool HasEnded([in] PP_Resource video_track);
 
   /**
@@ -75,11 +79,8 @@ interface PPB_MediaStreamVideoTrack {
    * a spot for another frame to be buffered.
    * If there are no frames in the input buffer,
    * <code>PP_OK_COMPLETIONPENDING</code> will be returned immediately and the
-   * <code>callback</code> will be called, when a new frame is received or an
+   * <code>callback</code> will be called when a new frame is received or an
    * error happens.
-   * If the caller holds a frame returned by the previous call of
-   * <code>GetFrame()</code>, <code>PP_ERROR_INPROGRESS</code> will be returned.
-   * The caller should recycle the previous frame before getting the next frame.
    *
    * @param[in] video_track A <code>PP_Resource</code> corresponding to a video
    * resource.