Move gamepad_service out of content/ and into device/

device/gamepad/gamepad_monitor.cc

 // 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.
 
-#include "content/browser/renderer_host/gamepad_monitor.h"
+#include "device/gamepad/gamepad_monitor.h"
 
 #include "base/memory/shared_memory.h"
-#include "content/browser/gamepad/gamepad_service.h"
-#include "content/common/gamepad_hardware_buffer.h"
-#include "content/public/browser/browser_thread.h"
+#include "device/gamepad/gamepad_service.h"
+#include "device/gamepad/gamepad_shared_buffer.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 
-namespace content {
+namespace device {
 
 GamepadMonitor::GamepadMonitor() : is_started_(false) {}
 
 GamepadMonitor::~GamepadMonitor() {
-  DCHECK_CURRENTLY_ON(BrowserThread::IO);

[ke.he, 2016/12/09 07:44:55]

GamepadMonitor is created in "StrongBinding" way, RenderProcessHost register it
in IO thread.
So we don't need to this DCHECK anymore.

   if (is_started_)
     GamepadService::GetInstance()->RemoveConsumer(this);
 }
 
 // static
-void GamepadMonitor::Create(device::mojom::GamepadMonitorRequest request) {
+void GamepadMonitor::Create(mojom::GamepadMonitorRequest request) {
   mojo::MakeStrongBinding(base::MakeUnique<GamepadMonitor>(),
                           std::move(request));
 }
 
 void GamepadMonitor::OnGamepadConnected(unsigned index,
                                         const blink::WebGamepad& gamepad) {
   if (gamepad_observer_)
     gamepad_observer_->GamepadConnected(index, gamepad);
 }
 
@@ skipping 15 matching lines @@
 
 void GamepadMonitor::GamepadStopPolling(
     const GamepadStopPollingCallback& callback) {
   DCHECK(is_started_);
   is_started_ = false;
 
   GamepadService::GetInstance()->ConsumerBecameInactive(this);
   callback.Run();
 }
 
-void GamepadMonitor::SetObserver(
-    device::mojom::GamepadObserverPtr gamepad_observer) {
+void GamepadMonitor::SetObserver(mojom::GamepadObserverPtr gamepad_observer) {
   gamepad_observer_ = std::move(gamepad_observer);
 }
 
-}  // namespace content
+}  // namespace device