Improve GamepadSeqLock impl

content/content_tests.gypi

 # Copyright (c) 2011 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',
       'defines!': ['CONTENT_IMPLEMENTATION'],
@@ skipping 236 matching lines @@
         'browser/ssl/ssl_host_state_unittest.cc',
         'browser/tab_contents/navigation_controller_impl_unittest.cc',
         'browser/tab_contents/navigation_entry_impl_unittest.cc',
         'browser/tab_contents/render_view_host_manager_unittest.cc',
         'browser/tab_contents/tab_contents_delegate_unittest.cc',
         'browser/tab_contents/tab_contents_unittest.cc',
         'browser/tab_contents/web_drag_dest_mac_unittest.mm',
         'browser/trace_subscriber_stdio_unittest.cc',
         'common/mac/attributed_string_coder_unittest.mm',
         'common/mac/font_descriptor_unittest.mm',
+        'common/gamepad_seqlock_unittest.cc',
         'common/gpu/gpu_feature_flags_unittest.cc',
         'common/gpu/gpu_info_unittest.cc',
         'common/hi_res_timer_manager_unittest.cc',
         'common/inter_process_time_ticks_converter_unittest.cc',
         'common/net/url_fetcher_impl_unittest.cc',
         'common/page_zoom_unittest.cc',
         'common/resource_dispatcher_unittest.cc',
         'common/sandbox_mac_diraccess_unittest.mm',
         'common/sandbox_mac_fontloading_unittest.mm',
         'common/sandbox_mac_unittest_helper.h',
@@ skipping 194 matching lines @@
           ],
           'sources': [
             'common/gpu/media/video_decode_accelerator_unittest.cc',
           ],
         }
       ],
     },
    ],
   ],
 }