Move gamepad_service out of content/ and into device/

content/browser/gamepad/gamepad_service.h

Index: content/browser/gamepad/gamepad_service.h
diff --git a/content/browser/gamepad/gamepad_service.h b/content/browser/gamepad/gamepad_service.h
deleted file mode 100644
index a360411584dd27779cc7f0a0347470835a070d22..0000000000000000000000000000000000000000
--- a/content/browser/gamepad/gamepad_service.h
+++ /dev/null
@@ -1,143 +0,0 @@
-// 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 CONTENT_BROWSER_GAMEPAD_GAMEPAD_SERVICE_H_
-#define CONTENT_BROWSER_GAMEPAD_GAMEPAD_SERVICE_H_
-
-#include <memory>
-#include <set>
-
-#include "base/callback_forward.h"
-#include "base/macros.h"
-#include "base/memory/shared_memory.h"
-#include "base/memory/singleton.h"
-#include "base/threading/thread_checker.h"
-#include "content/common/content_export.h"
-#include "device/gamepad/gamepad_provider.h"
-#include "mojo/public/cpp/system/buffer.h"
-
-namespace blink {
-class WebGamepad;
-}
-
-namespace device {
-class GamepadConsumer;
-class GamepadDataFetcher;
-class GamepadProvider;
-}
-
-namespace content {
-
-class GamepadServiceTestConstructor;
-
-// Owns the GamepadProvider (the background polling thread) and keeps track of
-// the number of consumers currently using the data (and pausing the provider
-// when not in use).
-class CONTENT_EXPORT GamepadService
-    : public device::GamepadConnectionChangeClient {
- public:
-  // Returns the GamepadService singleton.
-  static GamepadService* GetInstance();
-
-  // Increments the number of users of the provider. The Provider is running
-  // when there's > 0 users, and is paused when the count drops to 0.
-  // consumer is registered to listen for gamepad connections. If this is the
-  // first time it is added to the set of consumers it will be treated
-  // specially: it will not be informed about connections before a new user
-  // gesture is observed at which point it will be notified for every connected
-  // gamepads.
-  //
-  // Must be called on the I/O thread.
-  void ConsumerBecameActive(device::GamepadConsumer* consumer);
-
-  // Decrements the number of users of the provider. consumer will not be
-  // informed about connections until it's added back via ConsumerBecameActive.
-  // Must be matched with a ConsumerBecameActive call.
-  //
-  // Must be called on the I/O thread.
-  void ConsumerBecameInactive(device::GamepadConsumer* consumer);
-
-  // Decrements the number of users of the provider and removes consumer from
-  // the set of consumers. Should be matched with a a ConsumerBecameActive
-  // call.
-  //
-  // Must be called on the I/O thread.
-  void RemoveConsumer(device::GamepadConsumer* consumer);
-
-  // Registers the given closure for calling when the user has interacted with
-  // the device. This callback will only be issued once. Should only be called
-  // while a consumer is active.
-  void RegisterForUserGesture(const base::Closure& closure);
-
-  // Returns the shared memory handle of the gamepad data duplicated into the
-  // given process.
-  base::SharedMemoryHandle GetSharedMemoryHandleForProcess(
-      base::ProcessHandle handle);
-
-  // Returns a new mojo::ScopedSharedBuffer handle of the gamepad data.
-  mojo::ScopedSharedBufferHandle GetSharedBufferHandle();
-
-  // Stop/join with the background thread in GamepadProvider |provider_|.
-  void Terminate();
-
-  // Called on IO thread when a gamepad is connected.
-  void OnGamepadConnected(int index, const blink::WebGamepad& pad);
-
-  // Called on IO thread when a gamepad is disconnected.
-  void OnGamepadDisconnected(int index, const blink::WebGamepad& pad);
-
- private:
-  friend struct base::DefaultSingletonTraits<GamepadService>;
-  friend class GamepadServiceTestConstructor;
-  friend class GamepadServiceTest;
-
-  GamepadService();
-
-  // Constructor for testing. This specifies the data fetcher to use for a
-  // provider, bypassing the default platform one.
-  GamepadService(
-      std::unique_ptr<device::GamepadDataFetcher> fetcher);
-
-  virtual ~GamepadService();
-
-  static void SetInstance(GamepadService*);
-
-  void OnUserGesture();
-
-  void OnGamepadConnectionChange(bool connected,
-                                 int index,
-                                 const blink::WebGamepad& pad) override;
-
-  void SetSanitizationEnabled(bool sanitize);
-
-  struct ConsumerInfo {
-    ConsumerInfo(device::GamepadConsumer* consumer)
-        : consumer(consumer), did_observe_user_gesture(false) {}
-
-    bool operator<(const ConsumerInfo& other) const {
-      return consumer < other.consumer;
-    }
-
-    device::GamepadConsumer* consumer;
-    mutable bool is_active;
-    mutable bool did_observe_user_gesture;
-  };
-
-  std::unique_ptr<device::GamepadProvider> provider_;
-
-  base::ThreadChecker thread_checker_;
-
-  typedef std::set<ConsumerInfo> ConsumerSet;
-  ConsumerSet consumers_;
-
-  int num_active_consumers_;
-
-  bool gesture_callback_pending_;
-
-  DISALLOW_COPY_AND_ASSIGN(GamepadService);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_GAMEPAD_GAMEPAD_SERVICE_H_