Plumb callbacks from mojo media service to client.

media/mojo/interfaces/renderer.mojom

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 module media.mojom;
 
 import "media/mojo/interfaces/demuxer_stream.mojom";
 import "media/mojo/interfaces/media_types.mojom";
 import "ui/gfx/geometry/mojo/geometry.mojom";
 
@@ skipping 41 matching lines @@
   // Executed if any error was encountered during decode or rendering. If
   // this error happens during an operation that has a completion callback,
   // OnError() will be called before firing the completion callback.
   OnError();
 
   // Executed for the first video frame and whenever natural size changes.
   OnVideoNaturalSizeChange(gfx.mojom.Size size);
 
   // Executed for the first video frame and whenever opacity changes.
   OnVideoOpacityChange(bool opaque);
+
+  // Called periodically to pass statistics to the web player.
+  OnStatisticsUpdate(PipelineStatistics stats);
+
+  // Called when the remote renderering service is waiting on the decryption key is pending.
+  //OnWaitingForDecryptionKey();

[halliwell, 2016/06/27 21:47:19]

uncomment?

[slan, 2016/06/27 22:19:39]

Done + formatting.

 };