views: Cancel menu selection on tap-cancel.

ui/views/controls/menu/menu_controller.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_VIEWS_CONTROLS_MENU_MENU_CONTROLLER_H_
 #define UI_VIEWS_CONTROLS_MENU_MENU_CONTROLLER_H_
 
 #include "build/build_config.h"
 
 #include <list>
@@ skipping 213 matching lines @@
     MenuItemView* menu;
 
     // If type is MENU_ITEM but the mouse is not over a menu item this is the
     // parent of the menu item the user clicked on. Otherwise this is NULL.
     MenuItemView* parent;
 
     // This is the submenu the mouse is over.
     SubmenuView* submenu;
   };
 
-  // Sets the selection to menu_item a value of NULL unselects
+  // Sets the selection to |menu_item|. A value of NULL unselects
   // everything. |types| is a bitmask of |SetSelectionTypes|.
   //
   // Internally this updates pending_state_ immediatley. state_ is only updated
   // immediately if SELECTION_UPDATE_IMMEDIATELY is set. If
   // SELECTION_UPDATE_IMMEDIATELY is not set CommitPendingSelection is invoked
   // to show/hide submenus and update state_.
   void SetSelection(MenuItemView* menu_item, int types);
 
   void SetSelectionOnPointerDown(SubmenuView* source,
                                  const ui::LocatedEvent& event);
@@ skipping 307 matching lines @@
   int message_loop_depth_;
 
   views::MenuConfig menu_config_;
 
   DISALLOW_COPY_AND_ASSIGN(MenuController);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_MENU_MENU_CONTROLLER_H_