Introducing gpu::CommandBufferId as a distinct, IdType<...>-based type.

base/base.gyp

 # Copyright (c) 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     '../build/win_precompile.gypi',
@@ skipping 410 matching lines @@
         'i18n/file_util_icu_unittest.cc',
         'i18n/icu_string_conversions_unittest.cc',
         'i18n/message_formatter_unittest.cc',
         'i18n/number_formatting_unittest.cc',
         'i18n/rtl_unittest.cc',
         'i18n/streaming_utf8_validator_unittest.cc',
         'i18n/string_search_unittest.cc',
         'i18n/time_formatting_unittest.cc',
         'i18n/timezone_unittest.cc',
         'id_map_unittest.cc',
+        'id_type_unittest.cc',
         'ios/crb_protocol_observers_unittest.mm',
         'ios/device_util_unittest.mm',
         'ios/weak_nsobject_unittest.mm',
         'json/json_parser_unittest.cc',
         'json/json_reader_unittest.cc',
         'json/json_value_converter_unittest.cc',
         'json/json_value_serializer_unittest.cc',
         'json/json_writer_unittest.cc',
         'json/string_escape_unittest.cc',
         'lazy_instance_unittest.cc',
@@ skipping 1205 matching lines @@
             '../build/isolate.gypi',
           ],
           'sources': [
             'base_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }