Always embed manifests, even in component builds!

chrome/chrome_tests.gypi

 # Copyright 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.
 {
   'variables' : {
     'chromedriver_unittest_sources': [
       'test/chromedriver/capabilities_unittest.cc',
       'test/chromedriver/chrome/chrome_finder_unittest.cc',
       'test/chromedriver/chrome/console_logger_unittest.cc',
       'test/chromedriver/chrome/device_manager_unittest.cc',
@@ skipping 133 matching lines @@
         '../ui/ui_unittests.gyp:ui_test_support',
         '../ui/web_dialogs/web_dialogs.gyp:web_dialogs_test_support',
         '../webkit/webkit_resources.gyp:webkit_resources',
       ],
       'include_dirs': [
         '..',
       ],
       'defines': [
         'HAS_OUT_OF_PROC_TEST_RUNNER',
       ],
-      'variables': {
-        'win_use_external_manifest': 1,
-      },
       'sources': [
         '../apps/app_shim/app_shim_quit_interactive_uitest_mac.mm',
         '../apps/app_window_interactive_uitest.cc',
         '../ui/views/corewm/desktop_capture_controller_unittest.cc',
         '../ui/views/widget/widget_interactive_uitest.cc',
         'browser/apps/app_browsertest_util.cc',
         'browser/apps/app_browsertest_util.h',
         'browser/apps/app_pointer_lock_interactive_uitest.cc',
         'browser/apps/app_window_interactive_uitest.cc',
         'browser/apps/web_view_interactive_browsertest.cc',
@@ skipping 790 matching lines @@
         '../ppapi/ppapi_internal.gyp:ppapi_tests',
         '../third_party/mesa/mesa.gyp:osmesa',
       ],
       'include_dirs': [
         '..',
         '<(SHARED_INTERMEDIATE_DIR)',
       ],
       'defines': [
         'HAS_OUT_OF_PROC_TEST_RUNNER',
       ],
-      'variables': {
-        'win_use_external_manifest': 1,
-      },
       'sources': [
         '../apps/app_restore_service_browsertest.cc',
         '../apps/app_shim/app_shim_host_manager_browsertest_mac.mm',
         '../apps/app_shim/test/app_shim_host_manager_test_api_mac.cc',
         '../apps/app_shim/test/app_shim_host_manager_test_api_mac.h',
         '../apps/load_and_launch_browsertest.cc',
         # TODO(blundell): Bring up a components_browsertests target and move
         # this test to be in that target. crbug.com/283846
         '../components/autofill/content/renderer/password_form_conversion_utils_browsertest.cc',
         '../components/autofill/content/renderer/test_password_autofill_agent.h',
@@ skipping 2251 matching lines @@
             'utility',
           ],
           'sources': [
             'tools/service_discovery_sniffer/service_discovery_sniffer.h',
             'tools/service_discovery_sniffer/service_discovery_sniffer.cc',
           ],
         }]
     }],
   ],  # 'conditions'
 }