Remove unused code calling WebMediaPlayerClient::requestFullscreen()

content/renderer/media/android/webmediaplayer_android.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_ANDROID_WEBMEDIAPLAYER_ANDROID_H_
 #define CONTENT_RENDERER_MEDIA_ANDROID_WEBMEDIAPLAYER_ANDROID_H_
 
 #include <jni.h>
 #include <string>
 #include <vector>
@@ skipping 194 matching lines @@
   // Called to update the current time.
   void OnTimeUpdate(base::TimeDelta current_timestamp,
                     base::TimeTicks current_time_ticks);
 
   // Functions called when media player status changes.
   void OnConnectedToRemoteDevice(const std::string& remote_playback_message);
   void OnDisconnectedFromRemoteDevice();
   void OnDidExitFullscreen();
   void OnMediaPlayerPlay();
   void OnMediaPlayerPause();
-  void OnRequestFullscreen();
   void OnRemoteRouteAvailabilityChanged(bool routes_available);
 
   // StreamTextureFactoryContextObserver implementation.
   void ResetStreamTextureProxy() override;
 
   // Called when the player is released.
   virtual void OnPlayerReleased();
 
   // This function is called by the RendererMediaPlayerManager to pause the
   // video and release the media player and surface texture when we switch tabs.
@@ skipping 297 matching lines @@
 
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<WebMediaPlayerAndroid> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMediaPlayerAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_ANDROID_WEBMEDIAPLAYER_ANDROID_H_