Extract touchscreen device management into a generic manager

ash/touch/touch_hud_debug.cc

 // 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 "ash/touch/touch_hud_debug.h"
 
 #include "ash/display/display_manager.h"
 #include "ash/root_window_controller.h"
 #include "ash/shell.h"
 #include "base/json/json_string_value_serializer.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/events/event.h"
 #include "ui/gfx/animation/animation_delegate.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/display.h"
 #include "ui/gfx/size.h"
 #include "ui/gfx/transform.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/layout/box_layout.h"
 #include "ui/views/widget/widget.h"
 
 #if defined(USE_X11)
 #include <X11/extensions/XInput2.h>
 #include <X11/Xlib.h>
 
-#include "ui/events/x/device_data_manager.h"
+#include "ui/events/x/device_data_manager_x11.h"
 #endif
 
 namespace ash {
 
 const int kPointRadius = 20;
 const SkColor kColors[] = {
   SK_ColorYELLOW,
   SK_ColorGREEN,
   SK_ColorRED,
   SK_ColorBLUE,
@@ skipping 25 matching lines @@
     default:
       break;
   }
   return "?";
 }
 
 int GetTrackingId(const ui::TouchEvent& event) {
   if (!event.HasNativeEvent())
     return 0;
 #if defined(USE_XI2_MT)
-  ui::DeviceDataManager* manager = ui::DeviceDataManager::GetInstance();
+  ui::DeviceDataManagerX11* manager = ui::DeviceDataManagerX11::GetInstance();
   double tracking_id;
   if (manager->GetEventData(*event.native_event(),
-                            ui::DeviceDataManager::DT_TOUCH_TRACKING_ID,
+                            ui::DeviceDataManagerX11::DT_TOUCH_TRACKING_ID,
                             &tracking_id)) {
     return static_cast<int>(tracking_id);
   }
 #endif
   return 0;
 }
 
 int GetSourceDeviceId(const ui::TouchEvent& event) {
   if (!event.HasNativeEvent())
     return 0;
@@ skipping 389 matching lines @@
     RootWindowController* controller) {
   controller->set_touch_hud_debug(this);
 }
 
 void TouchHudDebug::UnsetHudForRootWindowController(
     RootWindowController* controller) {
   controller->set_touch_hud_debug(NULL);
 }
 
 }  // namespace ash