Enable to show input mode indicator with keyboard layout only input methods.

chrome/browser/chromeos/input_method/input_method_manager_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/input_method_manager_impl.h"
 
 #include <algorithm>  // std::find
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 197 matching lines @@
     new_active_input_method_ids.push_back(input_method_id);
 
   return true;
 }
 
 // Starts or stops the system input method framework as needed.
 void InputMethodManagerImpl::ReconfigureIMFramework() {
   if (component_extension_ime_manager_->IsInitialized())
     LoadNecessaryComponentExtensions();
 
-  if (ContainsOnlyKeyboardLayout(active_input_method_ids_)) {
-    // Do NOT call ibus_controller_->Stop(); here to work around a crash issue
-    // at crbug.com/27051.
-    // TODO(yusukes): We can safely call Stop(); here once crbug.com/26443
-    // is implemented.
-  } else {
+  const bool need_engine =
+      !ContainsOnlyKeyboardLayout(active_input_method_ids_);
+
+  // Initialize candidate window controller and widgets such as
+  // candidate window, infolist and mode indicator.  Note, mode
+  // indicator is used by only keyboard layout input methods.
+  if (need_engine || active_input_method_ids_.size() > 1)
     MaybeInitializeCandidateWindowController();
+
+  if (need_engine)
     IBusDaemonController::GetInstance()->Start();
-  }
 }
 
 bool InputMethodManagerImpl::EnableInputMethod(
     const std::string& input_method_id) {
   if (!EnableInputMethodImpl(input_method_id, active_input_method_ids_))
     return false;
 
   ReconfigureIMFramework();
   return true;
 }
@@ skipping 625 matching lines @@
   else
     DVLOG(1) << "Failed to initialize the candidate window controller";
 }
 
 bool InputMethodManagerImpl::IsIBusConnectionAlive() {
   return DBusThreadManager::Get() && DBusThreadManager::Get()->GetIBusClient();
 }
 
 }  // namespace input_method
 }  // namespace chromeos