Merge IBusContorllerBase into IBusControllerImpl.

chrome/browser/chromeos/input_method/ibus_controller_base.cc

-// Copyright (c) 2012 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 "chrome/browser/chromeos/input_method/ibus_controller_base.h"
-
-namespace chromeos {
-namespace input_method {
-
-IBusControllerBase::IBusControllerBase() {
-}
-
-IBusControllerBase::~IBusControllerBase() {
-}
-
-void IBusControllerBase::AddObserver(Observer* observer) {
-  observers_.AddObserver(observer);
-}
-
-void IBusControllerBase::RemoveObserver(Observer* observer) {
-  observers_.RemoveObserver(observer);
-}
-
-const InputMethodPropertyList&
-IBusControllerBase::GetCurrentProperties() const {
-  return current_property_list_;
-}
-
-void IBusControllerBase::ClearProperties() {
-  current_property_list_.clear();
-}
-
-}  // namespace input_method
-}  // namespace chromeos