Fix candidate window initialization.

chrome/browser/chromeos/input_method/candidate_window_controller_impl.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/candidate_window_controller_impl.h"
 
 #include <string>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 26 matching lines @@
 }
 
 // Returns pointer of IBusPanelService. This function returns NULL if it is not
 // ready.
 IBusPanelService* GetIBusPanelService() {
   return DBusThreadManager::Get()->GetIBusPanelService();
 }
 }  // namespace
 
 bool CandidateWindowControllerImpl::Init() {
+  if (DBusThreadManager::Get()->GetIBusPanelService()) {
+    DBusThreadManager::Get()->GetIBusPanelService()->
+        SetUpCandidateWindowHandler(this);
+  }
   IBusDaemonController::GetInstance()->AddObserver(this);
   // Create the candidate window view.
   CreateView();
   return true;
 }
 
 void CandidateWindowControllerImpl::Shutdown() {
   IBusDaemonController::GetInstance()->RemoveObserver(this);
 }
 
@@ skipping 292 matching lines @@
 
   if (candidate_window_rect.y() + infolist_window_size.height() >
       screen_rect.bottom())
     result.set_y(screen_rect.bottom() - infolist_window_size.height());
 
   return result;
 }
 
 }  // namespace input_method
 }  // namespace chromeos