[Mac] Give the Wrench menu keyboard shortcuts.

chrome/browser/cocoa/menu_controller.mm

 // Copyright (c) 2010 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.
 
 #import "chrome/browser/cocoa/menu_controller.h"
 
 #include "app/l10n_util_mac.h"
+#include "app/menus/accelerator_cocoa.h"
 #include "app/menus/simple_menu_model.h"
 #include "base/logging.h"
 #include "base/sys_string_conversions.h"
 
 @interface MenuController(Private)
 - (NSMenu*)menuFromModel:(menus::MenuModel*)model;
 - (void)addSeparatorToMenu:(NSMenu*)menu
                    atIndex:(int)index;
 - (void)addItemToMenu:(NSMenu*)menu
               atIndex:(int)index
@@ skipping 77 matching lines @@
   } else {
     // The MenuModel works on indexes so we can't just set the command id as the
     // tag like we do in other menus. Also set the represented object to be
     // the model so hierarchical menus check the correct index in the correct
     // model. Setting the target to |self| allows this class to participate
     // in validation of the menu items.
     [item setTag:modelIndex];
     [item setTarget:self];
     NSValue* modelObject = [NSValue valueWithPointer:model];
     [item setRepresentedObject:modelObject];  // Retains |modelObject|.
+    menus::AcceleratorCocoa accelerator;
+    if (model->GetAcceleratorAt(modelIndex, &accelerator)) {
+      [item setKeyEquivalent:accelerator.characters()];
+      [item setKeyEquivalentModifierMask:accelerator.modifiers()];
+    }
   }
   [menu insertItem:item atIndex:index];
 }
 
 // Called before the menu is to be displayed to update the state (enabled,
 // radio, etc) of each item in the menu. Also will update the title if
 // the item is marked as "dynamic".
 - (BOOL)validateUserInterfaceItem:(id<NSValidatedUserInterfaceItem>)item {
   SEL action = [item action];
   if (action != @selector(itemSelected:))
@@ skipping 28 matching lines @@
   DCHECK(model);
   if (model)
     model->ActivatedAt(modelIndex);
 }
 
 - (NSMenu*)menu {
   return menu_.get();
 }
 
 @end