Add a cache for FillFontFamilyMap.

chrome/chrome_tests_unit.gypi

 # Copyright 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.
 {
   'targets': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 965 matching lines @@
         'browser/extensions/updater/extension_cache_fake.cc',
         'browser/extensions/updater/extension_updater_unittest.cc',
         'browser/extensions/user_script_listener_unittest.cc',
         'browser/extensions/user_script_master_unittest.cc',
         'browser/extensions/webstore_inline_installer_unittest.cc',
         'browser/extensions/webstore_installer_unittest.cc',
         'browser/external_protocol/external_protocol_handler_unittest.cc',
         'browser/favicon/favicon_handler_unittest.cc',
         'browser/file_select_helper_unittest.cc',
         'browser/first_run/first_run_unittest.cc',
+        'browser/font_family_cache_unittest.cc',
         'browser/geolocation/geolocation_permission_context_unittest.cc',
         'browser/global_keyboard_shortcuts_mac_unittest.mm',
         'browser/google/google_search_counter_android_unittest.cc',
         'browser/google/google_search_counter_unittest.cc',
         'browser/google/google_update_settings_unittest.cc',
         'browser/google/google_url_tracker_unittest.cc',
         'browser/google/google_util_unittest.cc',
         'browser/guest_view/guest_view_manager_unittest.cc',
         'browser/history/android/android_cache_database_unittest.cc',
         'browser/history/android/android_history_provider_service_unittest.cc',
@@ skipping 1535 matching lines @@
 
             # Sync setup uses native ui.
             'browser/ui/webui/sync_setup_handler_unittest.cc',
             'browser/sync/sync_ui_util_unittest.cc',
 
             'browser/browser_commands_unittest.cc',
             'browser/devtools/devtools_contents_resizing_strategy_unittest.cc',
             'browser/download/download_shelf_unittest.cc',
             'browser/extensions/extension_message_bubble_controller_unittest.cc',
             'browser/extensions/extension_test_message_listener_unittest.cc',
+            'browser/font_family_cache_unittest.cc',
             'browser/policy/policy_path_parser_unittest.cc',
             'browser/process_singleton_posix_unittest.cc',
             'browser/profiles/off_the_record_profile_impl_unittest.cc',
             'browser/profiles/profile_list_desktop_unittest.cc',
             'browser/renderer_context_menu/render_view_context_menu_unittest.cc',
             'browser/search/instant_service_unittest.cc',
             'browser/search/search_unittest.cc',
             'browser/sync/sessions/sessions_sync_manager_unittest.cc',
             'browser/sync/sync_global_error_unittest.cc',
             'browser/translate/translate_manager_render_view_host_unittest.cc',
@@ skipping 319 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }