Add support for XP SP3 in the Virtual Print Driver.

cloud_print/virtual_driver/win/install/virtual_driver_install.gyp

 # Copyright (c) 2011 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.
 
 {
   'target_defaults': {
     'variables': {
       'chromium_code': 1,
     },
     'include_dirs': [
@@ skipping 17 matching lines @@
         '../virtual_driver_common_resources.rc',
         '<(SHARED_INTERMEDIATE_DIR)/virtual_driver_setup_resources/virtual_driver_setup_resources_en-US.rc',
         '<(SHARED_INTERMEDIATE_DIR)/virtual_driver_setup_resources/virtual_driver_setup_resources_es.rc',
       ],
       'msvs_settings': {
         'VCLinkerTool': {
           'SubSystem': '2',         # Set /SUBSYSTEM:WINDOWS
           'AdditionalDependencies': [
             'setupapi.lib',
           ],
+          'DelayLoadDLLs': [
+            'winspool.drv',
+          ],
         },
       },
     },
     {
       'target_name': 'virtual_driver_setup_resources',
       'type': 'none',
       'variables': {
         'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/virtual_driver_setup_resources',
       },
       'actions': [
         {
           'action_name': 'virtual_driver_setup_resources',
           'variables': {
             'grit_grd_file': 'virtual_driver_setup_resources.grd',
           },
           'includes': [ '../../../../build/grit_action.gypi' ],
         },
       ],
       'includes': [ '../../../../build/grit_target.gypi' ],
     },
   ],
 }