Componentize component_updater: Split content::ResourceThrottle from CUS.

chrome/chrome_browser.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': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 263 matching lines @@
       'browser/component_updater/component_patcher.cc',
       'browser/component_updater/component_patcher.h',
       'browser/component_updater/component_patcher_operation.cc',
       'browser/component_updater/component_patcher_operation.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_ping_manager.cc',
       'browser/component_updater/component_updater_ping_manager.h',
+      'browser/component_updater/component_updater_resource_throttle.cc',
+      'browser/component_updater/component_updater_resource_throttle.h',
       'browser/component_updater/component_updater_service.cc',
       'browser/component_updater/component_updater_service.h',
       'browser/component_updater/component_updater_utils.cc',
       'browser/component_updater/component_updater_utils.h',
       'browser/component_updater/crx_update_item.h',
       'browser/component_updater/crx_downloader.cc',
       'browser/component_updater/crx_downloader.h',
       'browser/component_updater/default_component_installer.cc',
       'browser/component_updater/default_component_installer.h',
       'browser/component_updater/flash_component_installer.h',
@@ skipping 3320 matching lines @@
             'package_name': 'org/chromium/chrome/browser',
             'template_deps': ['browser/android/tab_load_status.h'],
           },
           'includes': [ '../build/android/java_cpp_template.gypi' ],
         },
       ],
      },
     ],
   ],
 }