Adds imageWriterPrivate support for Windows

chrome/chrome_tests_unit.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.
 {
   'targets': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 959 matching lines @@
         'browser/history/thumbnail_database_unittest.cc',
         'browser/history/top_sites_cache_unittest.cc',
         'browser/history/top_sites_database_unittest.cc',
         'browser/history/top_sites_impl_unittest.cc',
         'browser/history/typed_url_syncable_service_unittest.cc',
         'browser/history/url_database_unittest.cc',
         'browser/history/url_utils_unittest.cc',
         'browser/history/visit_database_unittest.cc',
         'browser/history/visit_filter_unittest.cc',
         'browser/history/visit_tracker_unittest.cc',
+        'browser/image_writer/image_writer_test_utils.cc',
+        'browser/image_writer/image_writer_test_utils.h',
+        'browser/image_writer/image_writer_unittest.cc',
         'browser/importer/firefox_profile_lock_unittest.cc',
         'browser/importer/profile_writer_unittest.cc',
         'browser/internal_auth_unittest.cc',
         'browser/install_module_verifier_unittest_win.cc',
         'browser/invalidation/invalidation_service_android_unittest.cc',
         'browser/invalidation/invalidation_service_test_template.cc',
         'browser/invalidation/invalidation_service_test_template.h',
         'browser/invalidation/invalidator_storage_unittest.cc',
         'browser/invalidation/ticl_invalidation_service_unittest.cc',
         'browser/language_usage_metrics_unittest.cc',
@@ skipping 929 matching lines @@
         'test/base/menu_model_test.h',
         'test/base/v8_unit_test.cc',
         'test/base/v8_unit_test.h',
         'test/data/resource.rc',
         'test/data/unit/framework_unittest.gtestjs',
         'test/logging/win/mof_data_parser_unittest.cc',
         'tools/convert_dict/convert_dict_unittest.cc',
         'tools/profile_reset/jtl_compiler_unittest.cc',
         'tools/profile_reset/jtl_parser_unittest.cc',
         'utility/extensions/unpacker_unittest.cc',
+        'utility/image_writer/image_writer_test_utils.cc',
+        'utility/image_writer/image_writer_test_utils.h',
+        'utility/image_writer/image_writer_unittest.cc',
         'utility/importer/bookmark_html_reader_unittest.cc',
         'utility/importer/bookmarks_file_importer_unittest.cc',
         'utility/importer/firefox_importer_unittest.cc',
         'utility/importer/safari_importer_unittest.mm',
 
         # Duplicate these tests here because PathService has more items in
         # unit_tests than in base_unittests.
         '../base/path_service_unittest.cc',
 
         # TODO(joi): Move to //components/components_tests.gypi once
@@ skipping 986 matching lines @@
             'browser/ui/app_list/test/fake_profile.h',
             'browser/ui/app_list/test/fake_profile_store.cc',
             'browser/ui/app_list/test/fake_profile_store.h',
             'browser/ui/app_list/test/fast_show_pickler_unittest.cc',
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }