[Mac] Factor out keyboard shortcut handling from ChromeEventProcessingWindow.

chrome/chrome_browser_ui.gypi

 # Copyright 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.
 
 {
   'variables': {
     # There are two sections of sources:
     # * "Platform"-based sources (OS, toolkit, etc.)
     # * Feature/directory-based sources (e.g., history, printing)
 
@@ skipping 888 matching lines @@
       'browser/ui/cocoa/browser_window_layout.h',
       'browser/ui/cocoa/browser_window_layout.mm',
       'browser/ui/cocoa/browser_window_utils.h',
       'browser/ui/cocoa/browser_window_utils.mm',
       'browser/ui/cocoa/bubble_combobox.h',
       'browser/ui/cocoa/bubble_combobox.mm',
       'browser/ui/cocoa/bubble_view.h',
       'browser/ui/cocoa/bubble_view.mm',
       'browser/ui/cocoa/chrome_browser_window.h',
       'browser/ui/cocoa/chrome_browser_window.mm',
+      'browser/ui/cocoa/chrome_command_dispatcher_delegate.h',
+      'browser/ui/cocoa/chrome_command_dispatcher_delegate.mm',
       'browser/ui/cocoa/chrome_event_processing_window.h',
       'browser/ui/cocoa/chrome_event_processing_window.mm',
       'browser/ui/cocoa/clickhold_button_cell.h',
       'browser/ui/cocoa/clickhold_button_cell.mm',
       'browser/ui/cocoa/confirm_bubble_cocoa.h',
       'browser/ui/cocoa/confirm_bubble_cocoa.mm',
       'browser/ui/cocoa/confirm_bubble_controller.h',
       'browser/ui/cocoa/confirm_bubble_controller.mm',
       'browser/ui/cocoa/constrained_web_dialog_delegate_mac.mm',
       'browser/ui/cocoa/constrained_window/constrained_window_alert.h',
@@ skipping 2302 matching lines @@
           ],
           'sources': [
             '<@(chrome_browser_ui_non_mobile_sources)',
             '<@(chrome_browser_ui_omnibox_non_mobile_sources)',
           ],
         }],
       ],
     },
   ],
 }