Remove auto raw pointer deduction from non-linux specific code.

device/gamepad/xbox_data_fetcher_mac.mm

 // Copyright 2013 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 "device/gamepad/xbox_data_fetcher_mac.h"
 
 #include <algorithm>
 #include <cmath>
 #include <limits>
 
@@ skipping 606 matching lines @@
   UnregisterFromNotifications();
 }
 
 GamepadSource XboxDataFetcher::source() {
   return Factory::static_source();
 }
 
 void XboxDataFetcher::GetGamepadData(bool devices_changed_hint) {
   // This just loops through all the connected pads and "pings" them to indicate
   // that they're still active.
-  for (const auto& controller : controllers_) {
+  for (auto* controller : controllers_) {
     GetPadState(controller->location_id());
   }
 }
 
 void XboxDataFetcher::OnAddedToProvider() {
   RegisterForNotifications();
 }
 
 void XboxDataFetcher::DeviceAdded(void* context, io_iterator_t iterator) {
   DCHECK(context);
@@ skipping 192 matching lines @@
   }
 
   pad.timestamp = base::TimeTicks::Now().ToInternalValue();
 }
 
 void XboxDataFetcher::XboxControllerError(XboxController* controller) {
   RemoveController(controller);
 }
 
 }  // namespace device