Remove usages of XInternAtom

ui/events/devices/x11/device_data_manager_x11.h

 // 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.
 
 #ifndef UI_EVENTS_DEVICES_X11_DEVICE_DATA_MANAGER_X11_H_
 #define UI_EVENTS_DEVICES_X11_DEVICE_DATA_MANAGER_X11_H_
 
 // Generically-named #defines from Xlib is conflicting with symbols in GTest.
 // So many tests .cc file #undef Bool before including device_data_manager.h,
 // which makes Bool unrecognized in XInput2.h.
@@ skipping 10 matching lines @@
 #include <set>
 #include <vector>
 
 #include "base/event_types.h"
 #include "base/macros.h"
 #include "ui/events/devices/device_data_manager.h"
 #include "ui/events/devices/x11/events_devices_x11_export.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/keycodes/keyboard_codes.h"
 #include "ui/gfx/geometry/rect.h"
-#include "ui/gfx/x/x11_atom_cache.h"
 #include "ui/gfx/x/x11_types.h"
 
 namespace ui {
 
 // CrOS touchpad metrics gesture types
 enum GestureMetricsType {
   kGestureMetricsTypeNoisyGround = 0,
   kGestureMetricsTypeUnknown,
 };
 
@@ skipping 348 matching lines @@
   // XEvent are not reported if the values haven't changed from the previous
   // event. So it is necessary to remember these valuators so that chrome
   // doesn't think X/device doesn't know about the valuators. We currently
   // use this only on touchscreen devices.
   std::vector<double> last_seen_valuator_[kMaxDeviceNum][kMaxSlotNum];
 
   // Map that stores meta-data for blocked keyboards. This is needed to restore
   // devices when they are re-enabled.
   std::map<int, ui::InputDevice> blocked_keyboard_devices_;
 
-  // X11 atoms cache.
-  X11AtomCache atom_cache_;
-
   unsigned char button_map_[256];
   int button_map_count_;
 
   DISALLOW_COPY_AND_ASSIGN(DeviceDataManagerX11);
 };
 
 }  // namespace ui
 
 #endif  // UI_EVENTS_DEVICES_X11_DEVICE_DATA_MANAGER_X11_H_