Implement UIElementsForSearchPredicate accessibility APIs for OS X.

content/content_browser.gypi

 # Copyright (c) 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.
 
 {
   'dependencies': [
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../device/vibration/vibration.gyp:device_vibration',
     '../device/vibration/vibration.gyp:device_vibration_mojo_bindings',
@@ skipping 271 matching lines @@
       '<(SHARED_INTERMEDIATE_DIR)/ui/resources/grit/webui_resources_map.cc',
       'browser/accessibility/accessibility_mode_helper.cc',
       'browser/accessibility/accessibility_mode_helper.h',
       'browser/accessibility/accessibility_tree_formatter.cc',
       'browser/accessibility/accessibility_tree_formatter.h',
       'browser/accessibility/accessibility_tree_formatter_android.cc',
       'browser/accessibility/accessibility_tree_formatter_mac.mm',
       'browser/accessibility/accessibility_tree_formatter_utils_win.cc',
       'browser/accessibility/accessibility_tree_formatter_utils_win.h',
       'browser/accessibility/accessibility_tree_formatter_win.cc',
+      'browser/accessibility/accessibility_tree_search.cc',
+      'browser/accessibility/accessibility_tree_search.h',
       'browser/accessibility/accessibility_ui.cc',
       'browser/accessibility/accessibility_ui.h',
       'browser/accessibility/browser_accessibility.cc',
       'browser/accessibility/browser_accessibility.h',
       'browser/accessibility/browser_accessibility_android.cc',
       'browser/accessibility/browser_accessibility_android.h',
       'browser/accessibility/browser_accessibility_cocoa.h',
       'browser/accessibility/browser_accessibility_cocoa.mm',
       'browser/accessibility/browser_accessibility_mac.h',
       'browser/accessibility/browser_accessibility_mac.mm',
@@ skipping 125 matching lines @@
       'browser/appcache/appcache_working_set.h',
       'browser/appcache/chrome_appcache_service.cc',
       'browser/appcache/chrome_appcache_service.h',
       'browser/appcache/view_appcache_internals_job.cc',
       'browser/appcache/view_appcache_internals_job.h',
       'browser/background_sync/background_sync_context_impl.cc',
       'browser/background_sync/background_sync_context_impl.h',
       'browser/background_sync/background_sync_manager.cc',
       'browser/background_sync/background_sync_manager.h',
       'browser/background_sync/background_sync_network_observer.cc',
-      'browser/background_sync/background_sync_network_observer.h',      
+      'browser/background_sync/background_sync_network_observer.h',
       'browser/bad_message.cc',
       'browser/bad_message.h',
       'browser/bluetooth/bluetooth_dispatcher_host.cc',
       'browser/bluetooth/bluetooth_dispatcher_host.h',
       'browser/bootstrap_sandbox_mac.cc',
       'browser/bootstrap_sandbox_mac.h',
       'browser/browser_child_process_host_impl.cc',
       'browser/browser_child_process_host_impl.h',
       'browser/browser_context.cc',
       'browser/browser_ipc_logging.cc',
@@ skipping 1586 matching lines @@
         'browser/media/media_web_contents_observer.h',
       ],
     }],
     ['OS == "linux" and use_openssl==1', {
       'dependencies': [
         '../third_party/boringssl/boringssl.gyp:boringssl',
       ],
     }],
   ],
 }