Prototype HTMLVideoElement properties for WebGL texImage2D

third_party/WebKit/public/platform/WebMediaPlayer.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 266 matching lines @@
   // fullscreen element, and being dominant in the viewport.
   //
   // TODO(zqzhang): merge with becameDominantVisibleContent(). See
   // https://crbug.com/696211
   virtual void setIsEffectivelyFullscreen(bool) {}
 
   virtual void enabledAudioTracksChanged(
       const WebVector<TrackId>& enabledTrackIds) {}
   // |selectedTrackId| is null if no track is selected.
   virtual void selectedVideoTrackChanged(TrackId* selectedTrackId) {}
+
+  // TODO(kainino): This is a prototype implementation for getting the width,
+  // height, and timestamp of the last frame uploaded to a WebGL texture.
+  // https://crbug.com/639174
+  virtual bool getCurrentFrameInfo(unsigned* width,
+                                   unsigned* height,
+                                   double* timestamp) {
+    return false;
+  }
 };
 
 }  // namespace blink
 
 #endif