Delete InputMethodEngine::CreateEngine and call the InputMethodEngineIBus contructor directly.

chrome/browser/chromeos/input_method/input_method_engine.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/input_method_engine.h"
 
 #include "chrome/browser/chromeos/input_method/input_method_engine_ibus.h"
 
 namespace chromeos {
 
@@ skipping 30 matching lines @@
       is_cursor_visible(true),
       is_vertical(false),
       show_window_at_composition(false) {
 }
 
 InputMethodEngine::CandidateWindowProperty::~CandidateWindowProperty() {
 }
 
 InputMethodEngine::Observer::~Observer() {
 }
-
-InputMethodEngine* InputMethodEngine::CreateEngine(
-    InputMethodEngine::Observer* observer,
-    const char* engine_name,
-    const char* extension_id,
-    const char* engine_id,
-    const char* description,
-    const std::vector<std::string>& languages,
-    const std::vector<std::string>& layouts,
-    const GURL& options_page,
-    const GURL& input_view,
-    std::string* error) {
-
-  InputMethodEngineIBus* engine = new InputMethodEngineIBus();
-  engine->Initialize(observer,
-                     engine_name,
-                     extension_id,
-                     engine_id,
-                     description,
-                     languages,
-                     layouts,
-                     options_page,
-                     input_view,
-                     error);
-  return engine;
-}
-
 }  // namespace chromeos