Make BrowserAccessibilityManager cross platform. Step 1....

chrome/chrome_tests.gypi

 # Copyright (c) 2010 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' : {
     'pyautolib_sources': [
       'app/chrome_dll_resource.h',
       'common/pref_names.cc',
       'common/pref_names.h',
@@ skipping 778 matching lines @@
       ],
       'direct_dependent_settings': {
         'defines': [
           'CLD_WINDOWS',
         ],
       },
       'sources': [
         'app/breakpad_mac_stubs.mm',
         'app/chrome_dll.rc',
         # All unittests in browser, common, renderer and service.
+        'browser/accessibility/browser_accessibility_win_unittest.cc',
         'browser/app_controller_mac_unittest.mm',
         'browser/autocomplete_history_manager_unittest.cc',
         'browser/autocomplete/autocomplete_edit_unittest.cc',
         'browser/autocomplete/autocomplete_edit_view_mac_unittest.mm',
         'browser/autocomplete/autocomplete_popup_view_mac_unittest.mm',
         'browser/autocomplete/autocomplete_unittest.cc',
         'browser/autocomplete/history_contents_provider_unittest.cc',
         'browser/autocomplete/history_quick_provider_unittest.cc',
         'browser/autocomplete/history_url_provider_unittest.cc',
         'browser/autocomplete/keyword_provider_unittest.cc',
@@ skipping 30 matching lines @@
         'browser/bookmarks/bookmark_codec_unittest.cc',
         'browser/bookmarks/bookmark_context_menu_controller_unittest.cc',
         'browser/bookmarks/bookmark_drag_data_unittest.cc',
         'browser/bookmarks/bookmark_html_writer_unittest.cc',
         'browser/bookmarks/bookmark_index_unittest.cc',
         'browser/bookmarks/bookmark_model_test_utils.cc',
         'browser/bookmarks/bookmark_model_test_utils.h',
         'browser/bookmarks/bookmark_model_unittest.cc',
         'browser/bookmarks/bookmark_utils_unittest.cc',
         'browser/browser_about_handler_unittest.cc',
-        'browser/browser_accessibility_win_unittest.cc',
         'browser/browser_commands_unittest.cc',
         'browser/themes/browser_theme_pack_unittest.cc',
         'browser/themes/browser_theme_provider_unittest.cc',
         'browser/browsing_data_appcache_helper_unittest.cc',
         'browser/browsing_data_database_helper_unittest.cc',
         'browser/browsing_data_indexed_db_helper_unittest.cc',
         'browser/browsing_data_local_storage_helper_unittest.cc',
         'browser/child_process_security_policy_unittest.cc',
         'browser/chrome_browser_application_mac_unittest.mm',
         'browser/chrome_plugin_unittest.cc',
@@ skipping 727 matching lines @@
                   # Forcing incremental build off to try to avoid incremental
                   # linking errors on 64-bit bots too. http://crbug.com/52555
                   'LinkIncremental': '1',
                 },
               },
             },
           },
         }, { # else: OS != "win"
           'sources!': [
             'app/chrome_dll.rc',
+            'browser/accessibility/browser_accessibility_win_unittest.cc',
             'browser/bookmarks/bookmark_codec_unittest.cc',
             'browser/bookmarks/bookmark_drag_data_unittest.cc',
-            'browser/browser_accessibility_win_unittest.cc',
             'browser/chrome_plugin_unittest.cc',
             'browser/extensions/extension_process_manager_unittest.cc',
             'browser/login_prompt_unittest.cc',
             'browser/rlz/rlz_unittest.cc',
             'browser/search_engines/template_url_scraper_unittest.cc',
             'browser/views/bookmark_editor_view_unittest.cc',
             'browser/views/extensions/browser_action_drag_data_unittest.cc',
             'browser/views/find_bar_host_unittest.cc',
             'browser/views/generic_info_view_unittest.cc',
             'browser/views/keyword_editor_view_unittest.cc',
@@ skipping 1422 matching lines @@
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }
 
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