Move SharedBitmapManager implementation out of content/

content/child/child_shared_bitmap_manager.h

-// Copyright (c) 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_CHILD_CHILD_SHARED_BITMAP_MANAGER_H_
-#define CONTENT_CHILD_CHILD_SHARED_BITMAP_MANAGER_H_
-
-#include <stdint.h>
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/shared_memory.h"
-#include "cc/resources/shared_bitmap_manager.h"
-#include "content/common/render_message_filter.mojom.h"
-#include "mojo/public/cpp/bindings/thread_safe_interface_ptr.h"
-
-namespace content {
-
-class ChildSharedBitmapManager : public cc::SharedBitmapManager {
- public:
-  explicit ChildSharedBitmapManager(
-      const scoped_refptr<mojom::ThreadSafeRenderMessageFilterAssociatedPtr>&
-          render_message_filter_ptr);
-  ~ChildSharedBitmapManager() override;
-
-  // cc::SharedBitmapManager implementation.
-  std::unique_ptr<cc::SharedBitmap> AllocateSharedBitmap(
-      const gfx::Size& size) override;
-  std::unique_ptr<cc::SharedBitmap> GetSharedBitmapFromId(
-      const gfx::Size&,
-      const cc::SharedBitmapId&) override;
-
-  std::unique_ptr<cc::SharedBitmap> GetBitmapForSharedMemory(
-      base::SharedMemory* mem);
-
- private:
-  void NotifyAllocatedSharedBitmap(base::SharedMemory* memory,
-                                   const cc::SharedBitmapId& id);
-
-  scoped_refptr<mojom::ThreadSafeRenderMessageFilterAssociatedPtr>
-      render_message_filter_ptr_;
-
-  DISALLOW_COPY_AND_ASSIGN(ChildSharedBitmapManager);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_CHILD_CHILD_SHARED_BITMAP_MANAGER_H_