Adding a menu item to take a screenshot under "More Tools" submenu in the Wrench menu.

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.
 
 {
   'targets': [
     {
       'target_name': 'browser_ui',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 415 matching lines @@
         'browser/ui/bookmarks/bookmark_tab_helper_delegate.cc',
         'browser/ui/bookmarks/bookmark_tab_helper_delegate.h',
         'browser/ui/bookmarks/bookmark_utils.cc',
         'browser/ui/bookmarks/bookmark_utils.h',
         'browser/ui/bookmarks/recently_used_folders_combo_model.cc',
         'browser/ui/bookmarks/recently_used_folders_combo_model.h',
         'browser/ui/browser.cc',
         'browser/ui/browser.h',
         'browser/ui/browser_commands.cc',
         'browser/ui/browser_commands.h',
+        'browser/ui/browser_commands_chromeos.cc',
+        'browser/ui/browser_commands_chromeos.h',
         'browser/ui/browser_commands_mac.cc',
         'browser/ui/browser_commands_mac.h',
         'browser/ui/browser_command_controller.cc',
         'browser/ui/browser_command_controller.h',
         'browser/ui/browser_content_setting_bubble_model_delegate.cc',
         'browser/ui/browser_content_setting_bubble_model_delegate.h',
         'browser/ui/browser_dialogs.h',
         'browser/ui/browser_finder.cc',
         'browser/ui/browser_finder.h',
         'browser/ui/browser_instant_controller.cc',
@@ skipping 2946 matching lines @@
             'browser/ui/webui/local_discovery/local_discovery_ui.cc',
             'browser/ui/webui/local_discovery/local_discovery_ui.h',
             'browser/ui/webui/local_discovery/local_discovery_ui_handler.cc',
             'browser/ui/webui/local_discovery/local_discovery_ui_handler.h',
           ],
         }],
       ],
     },
   ],
 }