Created a stock implementation of the MessageLoopProxy interface than can be ...

base/base.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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     'base.gypi',
@@ skipping 80 matching lines @@
         'i18n/rtl_unittest.cc',
         'i18n/word_iterator_unittest.cc',
         'json/json_reader_unittest.cc',
         'json/json_writer_unittest.cc',
         'json/string_escape_unittest.cc',
         'lazy_instance_unittest.cc',
         'leak_tracker_unittest.cc',
         'linked_list_unittest.cc',
         'linked_ptr_unittest.cc',
         'mac_util_unittest.mm',
+        'message_loop_proxy_impl_unittest.cc',
         'message_loop_unittest.cc',
         'message_pump_glib_unittest.cc',
         'object_watcher_unittest.cc',
         'observer_list_unittest.cc',
         'path_service_unittest.cc',
         'pe_image_unittest.cc',
         'pickle_unittest.cc',
         'pr_time_unittest.cc',
         'process_util_unittest.cc',
         'process_util_unittest_mac.h',
@@ skipping 161 matching lines @@
       ],
     }],
   ],
 }
 
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 # tab-width:2
 # indent-tabs-mode:nil
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