ChromeOS: Remove unused IBus classes from chromeos/.

chromeos/dbus/ibus/ibus_engine_factory_service.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 "chromeos/dbus/ibus/ibus_engine_factory_service.h"
 
 #include <map>
 #include <string>
 
 #include "base/strings/string_number_conversions.h"
@@ skipping 143 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(IBusEngineFactoryServiceDaemonlessImpl);
 };
 
 IBusEngineFactoryService::IBusEngineFactoryService() {
 }
 
 IBusEngineFactoryService::~IBusEngineFactoryService() {
 }
 
 // static
-IBusEngineFactoryService* IBusEngineFactoryService::Create(
-    dbus::Bus* bus,
-    DBusClientImplementationType type) {
-  if (type == REAL_DBUS_CLIENT_IMPLEMENTATION)
-    return new IBusEngineFactoryServiceImpl(bus);
-  else
-    return new IBusEngineFactoryServiceDaemonlessImpl();
+IBusEngineFactoryService* IBusEngineFactoryService::Create() {
+  return new IBusEngineFactoryServiceDaemonlessImpl();
 }
 
 }  // namespace chromeos