Add private API to notify end of initialization.

chrome/browser/chromeos/input_method/input_method_engine_ibus.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_ibus.h"
 
 #define XK_MISCELLANY
 #include <X11/keysymdef.h>
 #include <map>
 
@@ skipping 100 matching lines @@
 
   component_->mutable_engine_description()->push_back(engine_desc);
   manager->AddInputMethodExtension(ibus_id_, engine_name, layouts, language,
                                    options_page, this);
   // If connection is avaiable, register component. If there are no connection
   // to ibus-daemon, OnConnected callback will register component instead.
   if (IsConnected())
     RegisterComponent();
 }
 
+void InputMethodEngineIBus::StartIme() {
+  input_method::InputMethodManager* manager =
+      input_method::InputMethodManager::Get();
+  if (manager && ibus_id_ == manager->GetCurrentInputMethod().id())
+    Enable();
+}
+
 bool InputMethodEngineIBus::SetComposition(
     int context_id,
     const char* text,
     int selection_start,
     int selection_end,
     int cursor,
     const std::vector<SegmentInfo>& segments,
     std::string* error) {
   if (!active_) {
     *error = kErrorNotActive;
@@ skipping 498 matching lines @@
   DBusThreadManager::Get()->RemoveIBusEngineService(object_path_);
 
   object_path_ = DBusThreadManager::Get()->GetIBusEngineFactoryService()->
       GenerateUniqueObjectPath();
 
   GetCurrentService()->SetEngine(this);
   sender.Run(object_path_);
 }
 
 }  // namespace chromeos