Make PointerDeviceObserver work under Ozone

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/events/devices/input_device_event_observer.h"
@@ skipping 131 matching lines @@
                  keyboard_devices_.begin(),
                  InputDeviceEquals)) {
     return;
   }
   keyboard_devices_ = devices;
   FOR_EACH_OBSERVER(InputDeviceEventObserver,
                     observers_,
                     OnKeyboardDeviceConfigurationChanged());
 }
 
+void DeviceDataManager::OnMouseDevicesUpdated(
+    const std::vector<InputDevice>& devices) {
+  FOR_EACH_OBSERVER(InputDeviceEventObserver,
+                    observers_,
+                    OnMouseDeviceConfigurationChanged());
+}
+
+void DeviceDataManager::OnTouchpadDevicesUpdated(
+    const std::vector<InputDevice>& devices) {
+  FOR_EACH_OBSERVER(InputDeviceEventObserver,
+                    observers_,
+                    OnTouchpadDeviceConfigurationChanged());
+}
+
 void DeviceDataManager::AddObserver(InputDeviceEventObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void DeviceDataManager::RemoveObserver(InputDeviceEventObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
 }  // namespace ui