Make sideloaded (externally installed) extensions display webstore info

chrome/chrome_browser_extensions.gypi

 # Copyright (c) 2013 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_extensions',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 878 matching lines @@
         'browser/extensions/updater/request_queue.h',
         'browser/extensions/updater/request_queue_impl.h',
         'browser/extensions/updater/safe_manifest_parser.cc',
         'browser/extensions/updater/safe_manifest_parser.h',
         'browser/extensions/user_script_listener.cc',
         'browser/extensions/user_script_listener.h',
         'browser/extensions/user_script_master.cc',
         'browser/extensions/user_script_master.h',
         'browser/extensions/webstore_data_fetcher.cc',
         'browser/extensions/webstore_data_fetcher.h',
+        'browser/extensions/webstore_data_fetcher_delegate.cc',
         'browser/extensions/webstore_data_fetcher_delegate.h',
         'browser/extensions/webstore_inline_installer.cc',
         'browser/extensions/webstore_inline_installer.h',
         'browser/extensions/webstore_inline_installer_factory.cc',
         'browser/extensions/webstore_inline_installer_factory.h',
         'browser/extensions/webstore_install_helper.cc',
         'browser/extensions/webstore_install_helper.h',
         'browser/extensions/webstore_installer.cc',
         'browser/extensions/webstore_installer.h',
         'browser/extensions/webstore_standalone_installer.cc',
@@ skipping 321 matching lines @@
           'variables': {
             'proto_in_dir': 'browser/chromeos/contacts',
             'proto_out_dir': 'chrome/browser/chromeos/contacts',
           },
           'includes': [ '../build/protoc.gypi' ]
         },
       ],
     },],  # 'chromeos=1'
   ],  # 'conditions'
 }