Developer Feature: Add Debug Accelerators to Toggle Touchscreen/Touchpad On or Off (CrOS)

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 222 matching lines @@
   bool TouchEventNeedsCalibrate(int touch_device_id) const;
 
   // Sets the keys which are still allowed on a disabled keyboard device.
   void SetDisabledKeyboardAllowedKeys(
       scoped_ptr<std::set<KeyboardCode> > excepted_keys);
 
   // Disables and enables events from devices by device id.
   void DisableDevice(int deviceid);
   void EnableDevice(int deviceid);
 
+  bool IsDeviceEnabled(int device_id) const;
+
   // Returns true if |native_event| should be blocked.
   bool IsEventBlocked(const base::NativeEvent& native_event);
 
   const std::vector<int>& master_pointers() const {
     return master_pointers_;
   }
 
  protected:
   // DeviceHotplugEventObserver:
   void OnKeyboardDevicesUpdated(
@@ skipping 70 matching lines @@
 
   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_