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

chrome/browser/extensions/api/input_ime/input_ime_api.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/extensions/api/input_ime/input_ime_api.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/chromeos/input_method/input_method_engine.h"
+#include "chrome/browser/chromeos/input_method/input_method_engine_ibus.h"
 #include "chrome/browser/extensions/extension_function_registry.h"
 #include "chrome/browser/extensions/extension_system.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/api/input_ime.h"
 #include "chrome/common/extensions/api/input_ime/input_components_handler.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_source.h"
 #include "extensions/browser/event_router.h"
 
 namespace input_ime = extensions::api::input_ime;
@@ skipping 268 matching lines @@
   VLOG(1) << "RegisterIme: " << extension_id << " id: " << component.id;
 
   std::map<std::string, chromeos::InputMethodEngine*>& engine_map =
       engines_[extension_id];
 
   std::map<std::string, chromeos::InputMethodEngine*>::iterator engine_ix =
       engine_map.find(component.id);
   if (engine_ix != engine_map.end())
     return false;
 
-  std::string error;
   chromeos::ImeObserver* observer = new chromeos::ImeObserver(profile,
                                                               extension_id,
                                                               component.id);
   std::vector<std::string> layouts;
   layouts.assign(component.layouts.begin(), component.layouts.end());
 
   std::vector<std::string> languages;
   languages.assign(component.languages.begin(), component.languages.end());
 
-  chromeos::InputMethodEngine* engine =
-      chromeos::InputMethodEngine::CreateEngine(
-          observer, component.name.c_str(), extension_id.c_str(),
-          component.id.c_str(), component.description.c_str(),
-          languages, layouts, component.options_page_url,
-          component.input_view_url, &error);
-  if (!engine) {
-    delete observer;
-    LOG(ERROR) << "RegisterIme: " << error;
-    return false;
-  }
-
+  chromeos::InputMethodEngineIBus* engine =
+      new chromeos::InputMethodEngineIBus();
+  engine->Initialize(observer, component.name.c_str(), extension_id.c_str(),
+                     component.id.c_str(), languages, layouts,
+                     component.options_page_url, component.input_view_url);
   engine_map[component.id] = engine;
 
   std::map<std::string, chromeos::ImeObserver*>& observer_list =
       observers_[extension_id];
 
   observer_list[component.id] = observer;
 
   return true;
 }
 
@@ skipping 433 matching lines @@
     if (input_components->size() > 0)
       input_ime_event_router()->UnregisterAllImes(profile_, extension->id());
   }
 }
 
 InputImeEventRouter* InputImeAPI::input_ime_event_router() {
   return InputImeEventRouter::GetInstance();
 }
 
 }  // namespace extensions