x11: Always require XI2.2 for X11.

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"
@@ skipping 54 matching lines @@
       return "C";
     default:
       break;
   }
   return "?";
 }
 
 int GetTrackingId(const ui::TouchEvent& event) {
   if (!event.HasNativeEvent())
     return 0;
-#if defined(USE_XI2_MT)
+#if defined(USE_X11)
   ui::DeviceDataManagerX11* manager = ui::DeviceDataManagerX11::GetInstance();
   double tracking_id;
   if (manager->GetEventData(*event.native_event(),
                             ui::DeviceDataManagerX11::DT_TOUCH_TRACKING_ID,
                             &tracking_id)) {
     return static_cast<int>(tracking_id);
   }
 #endif
   return 0;
 }
@@ skipping 393 matching lines @@
     RootWindowController* controller) {
   controller->set_touch_hud_debug(this);
 }
 
 void TouchHudDebug::UnsetHudForRootWindowController(
     RootWindowController* controller) {
   controller->set_touch_hud_debug(NULL);
 }
 
 }  // namespace ash