removed AndroidOverlayFactory

media/gpu/content_video_view_overlay_factory.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_CONTENT_VIDEO_VIEW_OVERLAY_FACTORY_H_
-#define MEDIA_GPU_CONTENT_VIDEO_VIEW_OVERLAY_FACTORY_H_
-
-#include "media/base/android/android_overlay_factory.h"
-
-namespace media {
-
-// Factory for CVV-based overlays.  One needs this only to hide the factory
-// impl from AVDA.
-class ContentVideoViewOverlayFactory : public AndroidOverlayFactory {
- public:
-  // |surface_id| must not be kNoSurfaceID.
-  ContentVideoViewOverlayFactory(int32_t surface_id);
-  ~ContentVideoViewOverlayFactory() override;
-
-  std::unique_ptr<AndroidOverlay> CreateOverlay(
-      const AndroidOverlay::Config& config) override;
-
- private:
-  int32_t surface_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(ContentVideoViewOverlayFactory);
-};
-
-}  // namespace media
-
-#endif  // MEDIA_GPU_ANDROID_CONTENT_VIDEO_VIEW_OVERLAY_FACTORY_H_