Remove useless InputDevice::name field

ui/events/devices/keyboard_device.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/keyboard_device.h"
 
 #include <string>
 
 #include "ui/events/devices/input_device.h"
 
 namespace ui {
 
-KeyboardDevice::KeyboardDevice(int id,
-                               InputDeviceType type,
-                               const std::string& name)
-    : InputDevice(id, type, name) {
+KeyboardDevice::KeyboardDevice(int id, InputDeviceType type)
+    : InputDevice(id, type) {
 }
 
 }  // namespace ui