Moves video frame callbacks from VideoFrameCompositor to Renderer.

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.interfaces;
 
 import "media/mojo/interfaces/demuxer_stream.mojom";
 import "media/mojo/interfaces/media_types.mojom";
+import "ui/mojo/geometry/geometry.mojom";
 
 interface Renderer {
   // Initializes the Renderer with one or both of an audio and video stream,
   // executing the callback with whether the initialization succeeded.
   Initialize(RendererClient client,
              DemuxerStream? audio,
              DemuxerStream? video) => (bool success);
 
   // Discards any buffered data, executing callback when completed.
   // NOTE: If an error occurs, RendererClient::OnError() can be called
@@ skipping 26 matching lines @@
   // Called to report buffering state changes, see media_types.mojom.
   OnBufferingStateChange(BufferingState state);
 
   // Executed when rendering has reached the end of stream.
   OnEnded();
 
   // 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(mojo.Size size);
+
+  // Executed for the first video frame and whenever opacity changes.
+  OnVideoOpacityChange(bool opaque);
 };