Make Interaction Media Features MQ dynamic on Linux.

ui/events/devices/device_data_manager.cc

 // 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.
 
 #include "ui/events/devices/device_data_manager.h"
 
 #include "base/at_exit.h"
 #include "base/bind.h"
 #include "base/logging.h"
 #include "ui/display/types/display_constants.h"
 #include "ui/events/devices/input_device_event_observer.h"
 #include "ui/gfx/geometry/point3_f.h"
 
 // This macro provides the implementation for the observer notification methods.
 #define NOTIFY_OBSERVERS(method_decl, observer_call)      \
   void DeviceDataManager::method_decl {                   \
     for (InputDeviceEventObserver& observer : observers_) \
       observer.observer_call;                             \
   }
 
 namespace ui {
 
 namespace {
 
 bool InputDeviceEquals(const ui::InputDevice& a, const ui::InputDevice& b) {
-  return a.id == b.id;
+  return a.id == b.id && a.enabled == b.enabled;
 }
 
 }  // namespace
 
 DeviceDataManager::TouchscreenInfo::TouchscreenInfo() {
   Reset();
 }
 
 void DeviceDataManager::TouchscreenInfo::Reset() {
   radius_scale = 1.0;
@@ skipping 215 matching lines @@
 
 void DeviceDataManager::SetTouchscreensEnabled(bool enabled) {
   touch_screens_enabled_ = enabled;
 }
 
 bool DeviceDataManager::AreTouchscreensEnabled() const {
   return touch_screens_enabled_;
 }
 
 }  // namespace ui