Movw GamepadService out of content/browser/ and into device/

device/gamepad/gamepad_provider.h

 // Copyright (c) 2012 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 DEVICE_GAMEPAD_GAMEPAD_PROVIDER_H_
 #define DEVICE_GAMEPAD_GAMEPAD_PROVIDER_H_
 
 #include <memory>
 #include <utility>
 #include <vector>
@@ skipping 24 matching lines @@
   virtual void OnGamepadConnectionChange(bool connected,
                                          int index,
                                          const blink::WebGamepad& pad) = 0;
 };
 
 class DEVICE_GAMEPAD_EXPORT GamepadProvider
     : public GamepadPadStateProvider,
       public base::SystemMonitor::DevicesChangedObserver {
  public:
   explicit GamepadProvider(
-      std::unique_ptr<GamepadSharedBuffer> buffer,
       GamepadConnectionChangeClient* connection_change_client);
 
   // Manually specifies the data fetcher. Used for testing.
   explicit GamepadProvider(
-      std::unique_ptr<GamepadSharedBuffer> buffer,
       GamepadConnectionChangeClient* connection_change_client,
       std::unique_ptr<GamepadDataFetcher> fetcher);
 
   ~GamepadProvider() override;
 
   // Returns the shared memory handle of the gamepad data duplicated into the
   // given process.
   base::SharedMemoryHandle GetSharedMemoryHandleForProcess(
       base::ProcessHandle renderer_process);
 
@@ skipping 85 matching lines @@
 
   bool ever_had_user_gesture_;
   bool sanitize_;
 
   // Only used on the polling thread.
   typedef std::vector<std::unique_ptr<GamepadDataFetcher>> GamepadFetcherVector;
   GamepadFetcherVector data_fetchers_;
 
   base::Lock shared_memory_lock_;
   std::unique_ptr<GamepadSharedBuffer> gamepad_shared_buffer_;
+  base::SharedMemory* gamepad_shared_memory;
 
   // Polling is done on this background thread.
   std::unique_ptr<base::Thread> polling_thread_;
 
   GamepadConnectionChangeClient* connection_change_client_;
 
   DISALLOW_COPY_AND_ASSIGN(GamepadProvider);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_GAMEPAD_GAMEPAD_PROVIDER_H_