Removed DeviceDataManagerX11::scrollclass_devices_

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 322 matching lines @@
   // Major opcode for the XInput extension. Used to identify XInput events.
   int xi_opcode_;
 
   // A quick lookup table for determining if the XI event is an XIDeviceEvent.
   std::bitset<kMaxXIEventType> xi_device_event_types_;
 
   // A quick lookup table for determining if events from the pointer device
   // should be processed.
   std::bitset<kMaxDeviceNum> cmt_devices_;
   std::bitset<kMaxDeviceNum> touchpads_;
-  std::bitset<kMaxDeviceNum> scrollclass_devices_;
 
   // List of the master pointer devices.
   std::vector<int> master_pointers_;
 
   // A quick lookup table for determining if events from the XI device
   // should be blocked.
   std::bitset<kMaxDeviceNum> blocked_devices_;
 
   // The set of keys allowed while the keyboard is blocked.
   std::unique_ptr<std::set<KeyboardCode>> blocked_keyboard_allowed_keys_;
@@ skipping 36 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_