Fix candidate window initialization.

chrome/browser/chromeos/input_method/candidate_window_controller_impl.cc

Index: chrome/browser/chromeos/input_method/candidate_window_controller_impl.cc
diff --git a/chrome/browser/chromeos/input_method/candidate_window_controller_impl.cc b/chrome/browser/chromeos/input_method/candidate_window_controller_impl.cc
index c5a30dbf251ba49eb40f310c8ceacb6104bdf4a7..51c03800a7a8f836494c18c6c614460c4b1a637e 100644
--- a/chrome/browser/chromeos/input_method/candidate_window_controller_impl.cc
+++ b/chrome/browser/chromeos/input_method/candidate_window_controller_impl.cc
@@ -44,6 +44,10 @@ IBusPanelService* GetIBusPanelService() {
 }  // namespace
 
 bool CandidateWindowControllerImpl::Init() {
+  if (DBusThreadManager::Get()->GetIBusPanelService()) {
+    DBusThreadManager::Get()->GetIBusPanelService()->
+        SetUpCandidateWindowHandler(this);
+  }
   IBusDaemonController::GetInstance()->AddObserver(this);
   // Create the candidate window view.
   CreateView();