AcceleratorProvider: Make GetAcceleratorForCommandId const.

chrome/browser/ui/views/bookmarks/bookmark_editor_view.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_BOOKMARKS_BOOKMARK_EDITOR_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_BOOKMARKS_BOOKMARK_EDITOR_VIEW_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 91 matching lines @@
   bool HandleKeyEvent(views::Textfield* sender,
                       const ui::KeyEvent& key_event) override;
 
   // views::ButtonListener:
   void ButtonPressed(views::Button* sender, const ui::Event& event) 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;
 
   // Creates a Window and adds the BookmarkEditorView to it. When the window is
   // closed the BookmarkEditorView is deleted.
   void Show(gfx::NativeWindow parent);
 
   // views::ContextMenuController:
   void ShowContextMenuForView(views::View* source,
                               const gfx::Point& point,
                               ui::MenuSourceType source_type) override;
@@ skipping 146 matching lines @@
   // Is the tree shown?
   bool show_tree_;
 
   // List of deleted bookmark folders.
   std::vector<int64_t> deletes_;
 
   DISALLOW_COPY_AND_ASSIGN(BookmarkEditorView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_BOOKMARKS_BOOKMARK_EDITOR_VIEW_H_