Do not use overlays when VR shell is enabled.

media/blink/webmediaplayer_impl.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 MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_
 #define MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 186 matching lines @@
   void requestRemotePlaybackControl() override;
 
   void SetMediaPlayerManager(
       RendererMediaPlayerManagerInterface* media_player_manager);
   void OnRemotePlaybackEnded();
   void OnDisconnectedFromRemoteDevice(double t);
   void SuspendForRemote();
   void DisplayCastFrameAfterSuspend(const scoped_refptr<VideoFrame>& new_frame,
                                     PipelineStatus status);
   gfx::Size GetCanvasSize() const;
+
   void SetDeviceScaleFactor(float scale_factor);
+  void SetInVr(bool in_vr);
   void setPoster(const blink::WebURL& poster) override;
   void SetUseFallbackPath(bool use_fallback_path);
 #endif
 
   // Called from WebMediaPlayerCast.
   // TODO(hubbe): WMPI_CAST make private.
   void OnPipelineSeeked(bool time_updated);
 
   // Restart the player/pipeline as soon as possible. This will destroy the
   // current renderer, if any, and create a new one via the RendererFactory; and
@@ skipping 309 matching lines @@
   // is saved and satisfied once the surface is available.
   SurfaceCreatedCB pending_surface_request_cb_;
 
   // Force to use SurfaceView instead of SurfaceTexture on Android.
   bool force_video_overlays_;
 
   // Prevent use of SurfaceView on Android. (Ignored when
   // |force_video_overlays_| is true.)
   bool disable_fullscreen_video_overlays_;
 
+  // Prevent use of SurfaceView on Android. (Overrides
+  // |force_video_overlays_|.)
+  bool in_vr_;
+
   // Suppresses calls to OnPipelineError() after destruction / shutdown has been
   // started; prevents us from spuriously logging errors that are transient or
   // unimportant.
   bool suppress_destruction_errors_;
 
   // State indicating if it's okay to suspend or not. Updated on the first time
   // OnSuspendRequested() is called. If the state is UNKNOWN, the current frame
   // from the compositor will be queried to see if suspend is supported; the
   // state will be set to YES or NO respectively if a frame is available.
   enum class CanSuspendState { UNKNOWN, YES, NO };
@@ skipping 18 matching lines @@
 
   // Monitors the player events.
   base::WeakPtr<MediaObserver> observer_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerImpl);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BLINK_WEBMEDIAPLAYER_IMPL_H_