Fix some minor typos related to the word "accelerate" and its derivative.

ui/base/models/menu_model.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 UI_BASE_MODELS_MENU_MODEL_H_
 #define UI_BASE_MODELS_MENU_MODEL_H_
 
 #include "base/strings/string16.h"
 #include "ui/base/models/menu_model_delegate.h"
 #include "ui/base/models/menu_separator_types.h"
@@ skipping 57 matching lines @@
   // Returns true if the menu item (label/sublabel/icon) at the specified
   // index can change over the course of the menu's lifetime. If this function
   // returns true, the label, sublabel and icon of the menu item will be
   // updated each time the menu is shown.
   virtual bool IsItemDynamicAt(int index) const = 0;
 
   // Returns the font list used for the label at the specified index.
   // If NULL, then the default font list should be used.
   virtual const gfx::FontList* GetLabelFontListAt(int index) const;
 
-  // Gets the acclerator information for the specified index, returning true if
+  // Gets the accelerator information for the specified index, returning true if
   // there is a shortcut accelerator for the item, false otherwise.
   virtual bool GetAcceleratorAt(int index,
                                 ui::Accelerator* accelerator) const = 0;
 
   // Returns the checked state of the item at the specified index.
   virtual bool IsItemCheckedAt(int index) const = 0;
 
   // Returns the id of the group of radio items that the item at the specified
   // index belongs to.
   virtual int GetGroupIdAt(int index) const = 0;
@@ skipping 42 matching lines @@
   // true if an item with the specified command id is found. |model| is inout,
   // and specifies the model to start searching from.
   static bool GetModelAndIndexForCommandId(int command_id,
                                            MenuModel** model,
                                            int* index);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_MODELS_MENU_MODEL_H_