Turns on use_mojo=1 for windows.

chrome/installer/mini_installer.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.
 {
   'dependencies': [
     '<@(chrome_dll_project)',
     '../chrome.gyp:chrome',
     '../chrome.gyp:chrome_nacl_win64',
     '../chrome.gyp:default_extensions',
     '../chrome.gyp:setup',
@@ skipping 167 matching lines @@
         }],
         ['icu_use_data_file_flag == 0', {
           'inputs': [
             '<(PRODUCT_DIR)/icudt.dll',
           ],
         }, { # else icu_use_data_file_flag != 0
           'inputs': [
             '<(PRODUCT_DIR)/icudtl.dat',
           ],
         }],
+        ['use_mojo==0', {
+          'inputs!': [
+            '<(PRODUCT_DIR)/mojo_system.dll',
+          ],
+        }],
       ],
       'inputs': [
         '<(create_installer_archive_py_path)',
         '<(PRODUCT_DIR)/chrome.exe',
         '<@(chrome_dll_path)',
+        '<(PRODUCT_DIR)/mojo_system.dll',
         '<(PRODUCT_DIR)/nacl64.exe',
         '<(PRODUCT_DIR)/ppGoogleNaClPluginChrome.dll',
         '<(PRODUCT_DIR)/nacl_irt_x86_32.nexe',
         '<(PRODUCT_DIR)/nacl_irt_x86_64.nexe',
         '<(PRODUCT_DIR)/locales/en-US.pak',
       ],
       'outputs': [
         'xxx.out',
         '<(output_dir)/<(RULE_INPUT_NAME).7z',
         '<(output_dir)/<(RULE_INPUT_NAME).packed.7z',
@@ skipping 33 matching lines @@
       'variables': {
          'branding_dir': '../app/theme/google_chrome',
       },
     }, { # else branding!="Chrome"
       'variables': {
          'branding_dir': '../app/theme/chromium',
       },
     }],
   ],
 }