Add multiple destruction callbacks to AndroidOverlay.

media/base/android/mock_android_overlay.cc

 // 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.
 
 #include "media/base/android/mock_android_overlay.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 25 matching lines @@
 
 void MockAndroidOverlay::OnOverlayReady() {
   config_->is_ready(this);
 }
 
 void MockAndroidOverlay::OnOverlayFailed() {
   config_->is_failed(this);
 }
 
 void MockAndroidOverlay::OnSurfaceDestroyed() {
-  config_->is_destroyed(this);
+  RunSurfaceDestroyedCallbacks();
 }
 
 }  // namespace media