chrome: Extract CommandUpdaterDelegate into its own header file.

chrome/chrome_browser.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
@@ skipping 433 matching lines @@
         'browser/chrome_plugin_service_filter.h',
         'browser/chrome_quota_permission_context.cc',
         'browser/chrome_quota_permission_context.h',
         'browser/chrome_to_mobile_service.cc',
         'browser/chrome_to_mobile_service.h',
         'browser/chrome_to_mobile_service_factory.cc',
         'browser/chrome_to_mobile_service_factory.h',
         'browser/command_observer.h',
         'browser/command_updater.cc',
         'browser/command_updater.h',
+        'browser/command_updater_delegate.h',
         'browser/common/cancelable_request.cc',
         'browser/common/cancelable_request.h',
         'browser/component_updater/component_updater_configurator.cc',
         'browser/component_updater/component_updater_configurator.h',
         'browser/component_updater/component_unpacker.cc',
         'browser/component_updater/component_unpacker.h',
         'browser/component_updater/component_updater_service.cc',
         'browser/component_updater/component_updater_service.h',
         'browser/component_updater/flash_component_installer.h',
         'browser/component_updater/npapi_flash_component_installer.cc',
@@ skipping 2606 matching lines @@
             'proto_in_dir': '../third_party/cros_system_api/dbus',
             'proto_out_dir': 'chrome/browser/media_transfer_protocol',
           },
           'includes': ['../build/protoc.gypi'],
         },
       ],
      },
     ],
   ],
 }