Perform navigation policy check on UI thread for --site-per-process.

content/content_tests.gypi

 # Copyright (c) 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.
 
 {
   'targets': [
     {
       'target_name': 'layouttest_support_content',
       'type': 'static_library',
       'conditions': [
@@ skipping 166 matching lines @@
         'test/net/url_request_slow_download_job.cc',
         'test/net/url_request_slow_download_job.h',
         'test/ppapi_unittest.cc',
         'test/ppapi_unittest.h',
         'test/test_content_browser_client.cc',
         'test/test_content_browser_client.h',
         'test/test_content_client.cc',
         'test/test_content_client.h',
         'test/test_context_provider_factory.cc',
         'test/test_context_provider_factory.h',
+        'test/test_frame_navigation_observer.cc',
+        'test/test_frame_navigation_observer.h',
         'test/test_render_frame_host.cc',
         'test/test_render_frame_host.h',
         'test/test_render_frame_host_factory.cc',
         'test/test_render_frame_host_factory.h',
         'test/test_render_view_host.cc',
         'test/test_render_view_host.h',
         'test/test_render_view_host_factory.cc',
         'test/test_render_view_host_factory.h',
         'test/test_web_contents.cc',
         'test/test_web_contents.h',
@@ skipping 1627 matching lines @@
                   'files': ['<(PRODUCT_DIR)/libnpapi_test_plugin.so'],
                 },
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }