Implement RegisterComponent method call.

chromeos/dbus/ibus/mock_ibus_client.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/mock_ibus_client.h"
 
 namespace chromeos {
 
 MockIBusClient::MockIBusClient()
     : create_input_context_call_count_(0) {
 }
 
 MockIBusClient::~MockIBusClient() {}
 
 void MockIBusClient::CreateInputContext(
     const std::string& client_name,
     const CreateInputContextCallback& callback,
     const ErrorCallback& error_callback) {
   create_input_context_call_count_ ++;
   if (!create_input_context_handler_.is_null())
     create_input_context_handler_.Run(client_name, callback, error_callback);
 }
 
+void MockIBusClient::RegisterComponent(
+    const ibus::IBusComponent& ibus_component,
+    const RegisterComponentCallback& callback,
+    const ErrorCallback& error_callback) {
+  register_component_call_count_ ++;
+  if (!register_component_handler_.is_null())
+    register_component_handler_.Run(ibus_component, callback, error_callback);
+}
+
 }  // namespace chromeos