try 3 of: Split out InputMethodMenuManager from InputMethodManager.

chrome/browser/chromeos/input_method/mode_indicator_controller.cc

 // Copyright 2013 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/mode_indicator_controller.h"
 
 #include "ash/ime/mode_indicator_view.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/window_util.h"
@@ skipping 74 matching lines @@
   return g_mode_indicator_observer_for_testing_;
 }
 
 void ModeIndicatorController::InputMethodChanged(InputMethodManager* manager,
                                                  bool show_message) {
   if (!show_message)
     return;
   ShowModeIndicator();
 }
 
-void ModeIndicatorController::InputMethodPropertyChanged(
-    InputMethodManager* manager) {
-  // Do nothing.
-}
-
 void ModeIndicatorController::ShowModeIndicator() {
   // TODO(komatsu): When this is permanently enabled by defalut,
   // delete command_line.h and chromeos_switches.h from the header
   // files.
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kDisableIMEModeIndicator))
     return;
 
   // TODO(komatsu): Show the mode indicator in the right bottom of the
   // display when the launch bar is hidden and the focus is out.  To
@@ skipping 18 matching lines @@
   views::Widget* mi_widget = mi_view->GetWidget();
   if (GetModeIndicatorObserverForTesting())
     GetModeIndicatorObserverForTesting()->AddModeIndicatorWidget(mi_widget);
 
   mi_observer_->AddModeIndicatorWidget(mi_widget);
   mi_view->ShowAndFadeOut();
 }
 
 }  // namespace input_method
 }  // namespace chromeos