Force the video to go fullscreen when setting persistent video

media/blink/webmediaplayer_delegate.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_DELEGATE_H_
 #define MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_
 
 namespace blink {
 class WebMediaPlayer;
 }
@@ skipping 36 matching lines @@
     virtual void OnIdleTimeout() = 0;
 
     // Called when external controls are activated.
     virtual void OnPlay() = 0;
     virtual void OnPause() = 0;
 
     // Called to control audio ducking. Output volume should be set to
     // |player_volume| * |multiplier|. The range of |multiplier| is [0, 1],
     // where 1 indicates normal (non-ducked) playback.
     virtual void OnVolumeMultiplierUpdate(double multiplier) = 0;
+
+    // Called to set as the persistent video. A persistent video should hide its
+    // controls and go fullscreen.
+    virtual void OnBecamePersistentVideo(bool value) = 0;
   };
 
   // Returns true if the host frame is hidden or closed.
   virtual bool IsFrameHidden() = 0;
 
   // Returns true if the host frame is closed.
   virtual bool IsFrameClosed() = 0;
 
   // Subscribe to observer callbacks. A player must use the returned |player_id|
   // for the rest of the calls below.
@@ skipping 51 matching lines @@
                                           bool is_fullscreen) = 0;
 
  protected:
   WebMediaPlayerDelegate() = default;
   virtual ~WebMediaPlayerDelegate() = default;
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BLINK_WEBMEDIAPLAYER_DELEGATE_H_