Reset WebMediaPlayerMS video layer on rotation change

content/renderer/media/webmediaplayer_ms.h

 // Copyright 2013 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.
 
 #ifndef CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_H_
 #define CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 145 matching lines @@
                                          unsigned int type,
                                          bool premultiply_alpha,
                                          bool flip_y) override;
 
  private:
   friend class WebMediaPlayerMSTest;
 
   void OnFirstFrameReceived(media::VideoRotation video_rotation,
                             bool is_opaque);
   void OnOpacityChanged(bool is_opaque);
+  void OnRotationChanged(media::VideoRotation video_rotation, bool is_opaque);
+
+  // Initializes |video_weblayer_| with given params.
+  void ResetVideoLayer(media::VideoRotation video_rotation, bool is_opaque);
 
   // Need repaint due to state change.
   void RepaintInternal();
 
   // The callback for source to report error.
   void OnSourceError();
 
   // Helpers that set the network/ready state and notifies the client if
   // they've changed.
   void SetNetworkState(blink::WebMediaPlayer::NetworkState state);
@@ skipping 63 matching lines @@
   // True if playback should be started upon the next call to OnShown(). Only
   // used on Android.
   bool should_play_upon_shown_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerMS);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_WEBMEDIAPLAYER_MS_H_