Switch AccessibilityMode to be a bitmap

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': 'test_support_content',
       'type': 'static_library',
       'dependencies': [
@@ skipping 314 matching lines @@
         '../ui/gfx/gfx.gyp:gfx',
         '../ui/gfx/gfx.gyp:gfx_geometry',
         '../ui/ui.gyp:ui',
         '../webkit/common/user_agent/webkit_user_agent.gyp:user_agent',
       ],
       'include_dirs': [
         '..',
         '<(SHARED_INTERMEDIATE_DIR)',  # Needed by key_systems_unittest.cc.
       ],
       'sources': [
+        'browser/accessibility/accessibility_mode_helper_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/chrome_appcache_service_unittest.cc',
         'browser/browser_thread_unittest.cc',
         'browser/browser_url_handler_impl_unittest.cc',
         'browser/byte_stream_unittest.cc',
         'browser/child_process_security_policy_unittest.cc',
         'browser/compositor/software_browser_compositor_output_surface_unittest.cc',
         'browser/compositor/software_output_device_ozone_unittest.cc',
@@ skipping 1291 matching lines @@
                   'files': ['<(PRODUCT_DIR)/libnpapi_test_plugin.so'],
                 },
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }