Implement UIElementsForSearchPredicate accessibility APIs for OS X.

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.
 
 {
   'variables': {
     'layouttest_support_content_sources': [
       'public/test/layouttest_support.h',
       'public/test/nested_message_pump_android.cc',
       'public/test/nested_message_pump_android.h',
@@ skipping 294 matching lines @@
       'renderer/browser_render_view_browsertest.cc',
       'renderer/dom_serializer_browsertest.cc',
       'renderer/resource_fetcher_browsertest.cc',
       'renderer/savable_resources_browsertest.cc',
     ],
     'content_browsertests_win_sources': [
       'browser/accessibility/accessibility_win_browsertest.cc',
     ],
     'content_unittests_sources': [
       'browser/accessibility/accessibility_mode_helper_unittest.cc',
+      'browser/accessibility/accessibility_tree_search_unittest.cc',
       'browser/accessibility/browser_accessibility_mac_unittest.mm',
       'browser/accessibility/browser_accessibility_manager_unittest.cc',
       'browser/accessibility/browser_accessibility_win_unittest.cc',
       'browser/appcache/appcache_database_unittest.cc',
       'browser/appcache/appcache_disk_cache_unittest.cc',
       'browser/appcache/appcache_group_unittest.cc',
       'browser/appcache/appcache_host_unittest.cc',
       'browser/appcache/appcache_manifest_parser_unittest.cc',
       'browser/appcache/appcache_quota_client_unittest.cc',
       'browser/appcache/appcache_request_handler_unittest.cc',
       'browser/appcache/appcache_response_unittest.cc',
       'browser/appcache/appcache_service_unittest.cc',
       'browser/appcache/appcache_storage_impl_unittest.cc',
       'browser/appcache/appcache_storage_unittest.cc',
       'browser/appcache/appcache_unittest.cc',
       'browser/appcache/appcache_update_job_unittest.cc',
       'browser/appcache/appcache_url_request_job_unittest.cc',
       'browser/appcache/chrome_appcache_service_unittest.cc',
       'browser/appcache/mock_appcache_policy.cc',
       'browser/appcache/mock_appcache_policy.h',
       'browser/appcache/mock_appcache_service.cc',
       'browser/appcache/mock_appcache_service.h',
       'browser/appcache/mock_appcache_storage.cc',
       'browser/appcache/mock_appcache_storage.h',
       'browser/appcache/mock_appcache_storage_unittest.cc',
       'browser/background_sync/background_sync_manager_unittest.cc',
-      'browser/background_sync/background_sync_network_observer_unittest.cc',      
+      'browser/background_sync/background_sync_network_observer_unittest.cc',
       'browser/browser_thread_unittest.cc',
       'browser/browser_url_handler_impl_unittest.cc',
       'browser/byte_stream_unittest.cc',
       'browser/cache_storage/cache_storage_cache_unittest.cc',
       'browser/cache_storage/cache_storage_manager_unittest.cc',
       'browser/cache_storage/cache_storage_scheduler_unittest.cc',
       'browser/child_process_security_policy_unittest.cc',
       'browser/cocoa/system_hotkey_map_unittest.mm',
       'browser/compositor/buffer_queue_unittest.cc',
       'browser/compositor/reflector_impl_unittest.cc',
@@ skipping 1797 matching lines @@
                   'files': ['<(PRODUCT_DIR)/libnpapi_test_plugin.so'],
                 },
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }