Add a function that can check if a menu item would be fired by a keypress.

chrome/chrome.gyp

 # Copyright (c) 2009 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.
 
 {
   'variables': {
     'chromium_code': 1,
 
     'variables': {
       'version_py_path': 'tools/build/version.py',
@@ skipping 1141 matching lines @@
         'browser/cocoa/infobar_text_field.h',
         'browser/cocoa/infobar_text_field.mm',
         'browser/cocoa/keyword_editor_cocoa_controller.h',
         'browser/cocoa/keyword_editor_cocoa_controller.mm',
         'browser/cocoa/location_bar_view_mac.h',
         'browser/cocoa/location_bar_view_mac.mm',
         'browser/cocoa/menu_button.h',
         'browser/cocoa/menu_button.mm',
         'browser/cocoa/multi_key_equivalent_button.h',
         'browser/cocoa/multi_key_equivalent_button.mm',
+        'browser/cocoa/nsmenuitem_additions.h',
+        'browser/cocoa/nsmenuitem_additions.mm',
         'browser/cocoa/nswindow_local_state.h',
         'browser/cocoa/nswindow_local_state.mm',
         'browser/cocoa/objc_method_swizzle.h',
         'browser/cocoa/objc_method_swizzle.mm',
         'browser/cocoa/page_info_window_controller.h',
         'browser/cocoa/page_info_window_controller.mm',
         'browser/cocoa/page_info_window_mac.h',
         'browser/cocoa/page_info_window_mac.mm',
         'browser/cocoa/preferences_window_controller.h',
         'browser/cocoa/preferences_window_controller.mm',
@@ skipping 3283 matching lines @@
         'browser/cocoa/infobar_gradient_view_unittest.mm',
         'browser/cocoa/infobar_text_field_unittest.mm',
         'browser/cocoa/keyword_editor_cocoa_controller_unittest.mm',
         'browser/cocoa/location_bar_view_mac_unittest.mm',
         'browser/cocoa/gradient_button_cell_unittest.mm',
         'browser/cocoa/history_menu_bridge_unittest.mm',
         'browser/cocoa/history_menu_cocoa_controller_unittest.mm',
         'browser/cocoa/hyperlink_button_cell_unittest.mm',
         'browser/cocoa/menu_button_unittest.mm',
         'browser/cocoa/nsimage_cache_unittest.mm',
+        'browser/cocoa/nsmenuitem_additions_unittest.mm',
         'browser/cocoa/nswindow_local_state_unittest.mm',
         'browser/cocoa/objc_method_swizzle_unittest.mm',
         'browser/cocoa/page_info_window_controller_unittest.mm',
         'browser/cocoa/preferences_window_controller_unittest.mm',
         'browser/cocoa/rwhvm_editcommand_helper_unittest.mm',
         'browser/cocoa/sad_tab_view_unittest.mm',
         'browser/cocoa/search_engine_list_model_unittest.mm',
         'browser/cocoa/status_bubble_mac_unittest.mm',
         'browser/cocoa/tab_controller_unittest.mm',
         'browser/cocoa/tab_strip_controller_unittest.mm',
@@ skipping 2467 matching lines @@
       ],  # targets when browser_sync==1
     }],
   ],  # 'conditions'
 }
 
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 # tab-width:2
 # indent-tabs-mode:nil
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