Migrating majority of gamepad from content/browser/ to device/

device/gamepad/gamepad_platform_data_fetcher.cc

 // 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.
 
-#include "content/browser/gamepad/gamepad_platform_data_fetcher.h"
+#include "device/gamepad/gamepad_platform_data_fetcher.h"
 
 #include "third_party/WebKit/public/platform/WebGamepads.h"
 
-namespace content {
+namespace device {
 
-GamepadDataFetcherEmpty::GamepadDataFetcherEmpty() {
-}
+GamepadDataFetcherEmpty::GamepadDataFetcherEmpty() {}
 
 void GamepadDataFetcherEmpty::GetGamepadData(blink::WebGamepads* pads,
                                              bool devices_changed_hint) {
   pads->length = 0;
 }
 
-}  // namespace content
+}  // namespace device