Decouple GamepadSharedMemory into Blink.

content/renderer/gamepad_shared_memory_reader.h

Index: content/renderer/gamepad_shared_memory_reader.h
diff --git a/content/renderer/gamepad_shared_memory_reader.h b/content/renderer/gamepad_shared_memory_reader.h
deleted file mode 100644
index 05369cb432fbdce9dad902b6872d2d83b9f50c73..0000000000000000000000000000000000000000
--- a/content/renderer/gamepad_shared_memory_reader.h
+++ /dev/null
@@ -1,58 +0,0 @@
-// Copyright (c) 2011 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_GAMEPAD_SHARED_MEMORY_READER_H_
-#define CONTENT_RENDERER_GAMEPAD_SHARED_MEMORY_READER_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "content/public/renderer/renderer_gamepad_provider.h"
-#include "device/base/synchronization/shared_memory_seqlock_buffer.h"
-#include "device/gamepad/public/interfaces/gamepad.mojom.h"
-#include "mojo/public/cpp/bindings/binding.h"
-#include "mojo/public/cpp/system/buffer.h"
-#include "third_party/WebKit/public/platform/WebGamepads.h"
-
-namespace content {
-
-typedef device::SharedMemorySeqLockBuffer<blink::WebGamepads>
-    GamepadHardwareBuffer;
-
-class GamepadSharedMemoryReader : public RendererGamepadProvider,
-                                  public device::mojom::GamepadObserver {
- public:
-  explicit GamepadSharedMemoryReader(RenderThread* thread);
-  ~GamepadSharedMemoryReader() override;
-
-  // RendererGamepadProvider implementation.
-  void SampleGamepads(blink::WebGamepads& gamepads) override;
-  void Start(blink::WebPlatformEventListener* listener) override;
-
- protected:
-  // PlatformEventObserver protected methods.
-  void SendStartMessage() override;
-  void SendStopMessage() override;
-
- private:
-  // device::mojom::GamepadObserver methods.
-  void GamepadConnected(int index, const blink::WebGamepad& gamepad) override;
-  void GamepadDisconnected(int index,
-                           const blink::WebGamepad& gamepad) override;
-
-  mojo::ScopedSharedBufferHandle renderer_shared_buffer_handle_;
-  mojo::ScopedSharedBufferMapping renderer_shared_buffer_mapping_;
-  GamepadHardwareBuffer* gamepad_hardware_buffer_;
-
-  bool ever_interacted_with_;
-
-  mojo::Binding<device::mojom::GamepadObserver> binding_;
-  device::mojom::GamepadMonitorPtr gamepad_monitor_;
-
-  DISALLOW_COPY_AND_ASSIGN(GamepadSharedMemoryReader);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_GAMEPAD_SHARED_MEMORY_READER_H_