Add multiple destruction callbacks to AndroidOverlay.

media/gpu/android_video_surface_chooser_impl.h

 // Copyright 2017 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_GPU_ANDROID_VIDEO_SURFACE_CHOOSER_IMPL_H_
 #define MEDIA_GPU_ANDROID_VIDEO_SURFACE_CHOOSER_IMPL_H_
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "media/base/android/android_overlay.h"
 #include "media/gpu/android_video_surface_chooser.h"
 #include "media/gpu/media_gpu_export.h"
 
 namespace media {
 
 // Implementation of AndroidVideoSurfaceChooser.
 class MEDIA_GPU_EXPORT AndroidVideoSurfaceChooserImpl
     : public AndroidVideoSurfaceChooser {
  public:
   AndroidVideoSurfaceChooserImpl();
   ~AndroidVideoSurfaceChooserImpl() override;
 
   // AndroidVideoSurfaceChooser
   void Initialize(UseOverlayCB use_overlay_cb,
                   UseSurfaceTextureCB use_surface_texture_cb,
-                  StopUsingOverlayImmediatelyCB stop_immediately_cb,
                   AndroidOverlayFactoryCB initial_factory) override;
   void ReplaceOverlayFactory(AndroidOverlayFactoryCB factory) override;
 
  private:
   // AndroidOverlay callbacks.
   void OnOverlayReady(AndroidOverlay*);
   void OnOverlayFailed(AndroidOverlay*);
-  void OnSurfaceDestroyed(AndroidOverlay*);
 
   // Client callbacks.
   UseOverlayCB use_overlay_cb_;
   UseSurfaceTextureCB use_surface_texture_cb_;
-  StopUsingOverlayImmediatelyCB stop_immediately_cb_;
 
   // Current overlay that we've constructed but haven't received ready / failed
   // callbacks yet.  Will be nullptr if we haven't constructed one, or if we
   // sent it to the client already once it became ready to use.
   std::unique_ptr<AndroidOverlay> overlay_;
 
   // If true, we owe the client notification about whether to use an overlay
   // or a surface texture.
   bool client_notification_pending_ = false;
 
   AndroidOverlayFactoryCB overlay_factory_;
 
   base::WeakPtrFactory<AndroidVideoSurfaceChooserImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AndroidVideoSurfaceChooserImpl);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_GPU_ANDROID_VIDEO_SURFACE_CHOOSER_IMPL_H_