Introduce cross_site_iframe_factory.html, and use it in a test

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': {
     'chrome_browser_extensions_test_support_sources': [
       # A list of sources which is shared between different browser tests.
       'browser/apps/app_browsertest_util.cc',
       'browser/apps/app_browsertest_util.h',
       'browser/extensions/browsertest_util.cc',
@@ skipping 381 matching lines @@
       'browser/search/hotword_installer_browsertest.cc',
       'browser/search/suggestions/image_fetcher_impl_browsertest.cc',
       'browser/service_process/service_process_control_browsertest.cc',
       'browser/services/gcm/fake_gcm_profile_service.cc',
       'browser/services/gcm/fake_gcm_profile_service.h',
       'browser/sessions/better_session_restore_browsertest.cc',
       'browser/sessions/persistent_tab_restore_service_browsertest.cc',
       'browser/sessions/session_restore_browsertest.cc',
       'browser/sessions/session_restore_browsertest_chromeos.cc',
       'browser/sessions/tab_restore_browsertest.cc',
+      'browser/site_details_browsertest.cc',
       'browser/spellchecker/spellcheck_service_browsertest.cc',
       'browser/ssl/captive_portal_blocking_page_browsertest.cc',
       'browser/ssl/certificate_reporting_test_utils.cc',
       'browser/ssl/certificate_reporting_test_utils.h',
       'browser/ssl/chrome_ssl_host_state_delegate_test.cc',
       'browser/ssl/ssl_browser_tests.cc',
       'browser/ssl/ssl_client_certificate_selector_test.cc',
       'browser/ssl/ssl_client_certificate_selector_test.h',
       'browser/sync_file_system/mock_local_change_processor.cc',
       'browser/sync_file_system/mock_local_change_processor.h',
@@ skipping 2961 matching lines @@
             'utility',
           ],
           'sources': [
             'tools/service_discovery_sniffer/service_discovery_sniffer.cc',
             'tools/service_discovery_sniffer/service_discovery_sniffer.h',
           ],
         }]
     }],
   ],  # 'conditions'
 }