Extract touchscreen device management into a generic manager

ash/wm/maximize_mode/internal_input_device_list_x11.cc

 // Copyright 2014 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 "ash/wm/maximize_mode/internal_input_device_list_x11.h"
 
 #include <X11/extensions/XInput2.h>
 #include <X11/Xlib.h>
 
 #include "base/strings/string_util.h"
 #include "ui/events/event.h"
-#include "ui/events/x/device_data_manager.h"
+#include "ui/events/x/device_data_manager_x11.h"
 #include "ui/events/x/device_list_cache_x.h"
 #include "ui/gfx/x/x11_types.h"
 
 namespace ash {
 
 namespace {
 
 // The name of the xinput device corresponding to the internal touchpad.
 const char kInternalTouchpadName[] = "Elan Touchpad";
 
 // The name of the xinput device corresponding to the internal keyboard.
 const char kInternalKeyboardName[] = "AT Translated Set 2 keyboard";
 
 }  // namespace
 
 InternalInputDeviceListX11::InternalInputDeviceListX11() {
-  if (ui::DeviceDataManager::GetInstance()->IsXInput2Available()) {
+  if (ui::DeviceDataManagerX11::GetInstance()->IsXInput2Available()) {
     XIDeviceList xi_dev_list = ui::DeviceListCacheX::GetInstance()->
         GetXI2DeviceList(gfx::GetXDisplay());
     for (int i = 0; i < xi_dev_list.count; ++i) {
       std::string device_name(xi_dev_list[i].name);
       base::TrimWhitespaceASCII(device_name, base::TRIM_TRAILING, &device_name);
       if (device_name == kInternalTouchpadName ||
           device_name == kInternalKeyboardName)
         internal_device_ids_.insert(xi_dev_list[i].deviceid);
     }
   }
 }
 
 InternalInputDeviceListX11::~InternalInputDeviceListX11() {
 }
 
 bool InternalInputDeviceListX11::IsEventFromInternalDevice(
     const ui::Event* event) {
   if (!event->HasNativeEvent() ||
       event->native_event()->type != GenericEvent) {
     return false;
   }
 
   XIDeviceEvent* xiev = static_cast<XIDeviceEvent*>(
       event->native_event()->xcookie.data);
   return internal_device_ids_.find(xiev->sourceid) !=
       internal_device_ids_.end();
 }
 
 }  // namespace ash