AcceleratorProvider: Make GetAcceleratorForCommandId const.

ui/message_center/views/notifier_settings_view.cc

 // Copyright (c) 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 "ui/message_center/views/notifier_settings_view.h"
 
 #include <stddef.h>
 
 #include <set>
 #include <string>
@@ skipping 200 matching lines @@
 class NotifierGroupMenuModel : public ui::SimpleMenuModel,
                                public ui::SimpleMenuModel::Delegate {
  public:
   NotifierGroupMenuModel(NotifierSettingsProvider* notifier_settings_provider);
   ~NotifierGroupMenuModel() override;
 
   // ui::SimpleMenuModel::Delegate:
   bool IsCommandIdChecked(int command_id) const override;
   bool IsCommandIdEnabled(int command_id) const override;
   bool GetAcceleratorForCommandId(int command_id,
-                                  ui::Accelerator* accelerator) override;
+                                  ui::Accelerator* accelerator) const override;
   void ExecuteCommand(int command_id, int event_flags) override;
 
  private:
   NotifierSettingsProvider* notifier_settings_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(NotifierGroupMenuModel);
 };
 
 NotifierGroupMenuModel::NotifierGroupMenuModel(
     NotifierSettingsProvider* notifier_settings_provider)
@@ skipping 18 matching lines @@
   return !notifier_settings_provider_ ||
       notifier_settings_provider_->IsNotifierGroupActiveAt(command_id);
 }
 
 bool NotifierGroupMenuModel::IsCommandIdEnabled(int command_id) const {
   return true;
 }
 
 bool NotifierGroupMenuModel::GetAcceleratorForCommandId(
     int command_id,
-    ui::Accelerator* accelerator) {
+    ui::Accelerator* accelerator) const {
   return false;
 }
 
 void NotifierGroupMenuModel::ExecuteCommand(int command_id, int event_flags) {
   if (!notifier_settings_provider_)
     return;
 
   size_t notifier_group_index = static_cast<size_t>(command_id);
   size_t num_notifier_groups =
       notifier_settings_provider_->GetNotifierGroupCount();
@@ skipping 430 matching lines @@
                                              notifier_group_selector_,
                                              menu_anchor,
                                              views::MENU_ANCHOR_BUBBLE_ABOVE,
                                              ui::MENU_SOURCE_MOUSE))
     return;
   MessageCenterView* center_view = static_cast<MessageCenterView*>(parent());
   center_view->OnSettingsChanged();
 }
 
 }  // namespace message_center