Remove KeyboardDevice class.

ui/events/ozone/evdev/input_device_factory_evdev.cc

 // Copyright 2015 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/ozone/evdev/input_device_factory_evdev.h"
 
 #include <fcntl.h>
 #include <linux/input.h>
 #include <stddef.h>
 
@@ skipping 410 matching lines @@
     if (it->second->HasTouchscreen()) {
       touchscreens.push_back(TouchscreenDevice(it->second->input_device(),
           it->second->GetTouchscreenSize(), it->second->GetTouchPoints()));
     }
   }
 
   dispatcher_->DispatchTouchscreenDevicesUpdated(touchscreens);
 }
 
 void InputDeviceFactoryEvdev::NotifyKeyboardsUpdated() {
-  std::vector<KeyboardDevice> keyboards;
+  std::vector<InputDevice> keyboards;
   for (auto it = converters_.begin(); it != converters_.end(); ++it) {
     if (it->second->HasKeyboard()) {
-      keyboards.push_back(KeyboardDevice(it->second->input_device()));
+      keyboards.push_back(InputDevice(it->second->input_device()));
     }
   }
 
   dispatcher_->DispatchKeyboardDevicesUpdated(keyboards);
 }
 
 void InputDeviceFactoryEvdev::NotifyMouseDevicesUpdated() {
   std::vector<InputDevice> mice;
   for (auto it = converters_.begin(); it != converters_.end(); ++it) {
     if (it->second->HasMouse()) {
@@ skipping 40 matching lines @@
   std::vector<int> ids;
   gesture_property_provider_->GetDeviceIdsByType(type, &ids);
   for (size_t i = 0; i < ids.size(); ++i) {
     SetGestureBoolProperty(gesture_property_provider_.get(), ids[i], name,
                            value);
   }
 #endif
 }
 
 }  // namespace ui