Remove KeyboardDevice class.

ash/test/virtual_keyboard_test_helper.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 "ash/test/virtual_keyboard_test_helper.h"
 
 #include "ui/events/devices/device_data_manager.h"
 #include "ui/events/devices/device_hotplug_event_observer.h"
 #include "ui/events/devices/input_device.h"
-#include "ui/events/devices/keyboard_device.h"
 #include "ui/events/devices/touchscreen_device.h"
 
 namespace ash {
 namespace test {
 
 void VirtualKeyboardTestHelper::SuppressKeyboard() {
   ui::DeviceHotplugEventObserver* manager =
       ui::DeviceDataManager::GetInstance();
   std::vector<ui::TouchscreenDevice> screens;
   screens.push_back(
       ui::TouchscreenDevice(1, ui::InputDeviceType::INPUT_DEVICE_INTERNAL,
                             "Touchscreen", gfx::Size(1024, 768), 0));
   manager->OnTouchscreenDevicesUpdated(screens);
 
-  std::vector<ui::KeyboardDevice> keyboards;
-  keyboards.push_back(ui::KeyboardDevice(
+  std::vector<ui::InputDevice> keyboards;
+  keyboards.push_back(ui::InputDevice(
       2, ui::InputDeviceType::INPUT_DEVICE_EXTERNAL, "keyboard"));
   manager->OnKeyboardDevicesUpdated(keyboards);
 }
 
 }  // namespace test
 }  // namespace ash