The builders should build sync_unit_tests.

build/all.gyp

 # Copyright (c) 2009 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': 'All',
       'type': 'none',
       'xcode_create_dependents_test_runner': 1,
@@ skipping 131 matching lines @@
           'target_name': 'chromium_builder',
           'type': 'none',
           'dependencies': [
             '../app/app.gyp:app_unittests',
             '../chrome/chrome.gyp:browser_tests',
             '../chrome/chrome.gyp:interactive_ui_tests',
             '../chrome/chrome.gyp:memory_test',
             '../chrome/chrome.gyp:page_cycler_tests',
             '../chrome/chrome.gyp:plugin_tests',
             '../chrome/chrome.gyp:startup_tests',
+            '../chrome/chrome.gyp:sync_unit_tests',
             '../chrome/chrome.gyp:tab_switching_test',
             '../chrome/chrome.gyp:ui_tests',
             '../chrome/chrome.gyp:unit_tests',
             '../chrome/chrome.gyp:url_fetch_test',
             '../chrome/installer/installer.gyp:installer_util_unittests',
             '../chrome/installer/installer.gyp:mini_installer_test',
             '../courgette/courgette.gyp:courgette_unittests',
             '../ipc/ipc.gyp:ipc_tests',
             '../media/media.gyp:media_unittests',
             '../printing/printing.gyp:printing_unittests',
@@ skipping 18 matching lines @@
           'type': 'none',
           'dependencies': [
             '../webkit/tools/test_shell/test_shell.gyp:test_shell_tests',
             '../webkit/tools/test_shell/test_shell.gyp:test_shell',
           ],
         },
       ],  # targets
     }], # OS="win"
   ], # conditions
 }