Fix WebView accessibility

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 1312 matching lines @@
     {
       # GN version: //content/test:browsertest_base
       # content_browser_test_base can be used by any browser test target.
       'target_name': 'content_browser_test_base',
       'type': 'static_library',
       'dependencies': [
         '../base/base.gyp:base',
         '../net/net.gyp:net_test_support',
         '../testing/gtest.gyp:gtest',
         '../third_party/WebKit/public/blink.gyp:blink',
+        '../ui/accessibility/accessibility.gyp:accessibility',
         '../ui/base/ime/ui_base_ime.gyp:ui_base_ime',
         '../ui/base/ui_base.gyp:ui_base',
         '../ui/base/ui_base.gyp:ui_base_test_support',
         '../ui/events/events.gyp:events_test_support',
         'content.gyp:content_browser',
         'content.gyp:content_common',
       ],
       'export_dependent_settings': [
         'content.gyp:content_browser',
         '../third_party/WebKit/public/blink.gyp:blink',
@@ skipping 874 matching lines @@
                   'content_unittests_apk.isolate',
                 ],
               },
             ],
           },
         ],
       ],
     }],
   ],
 }