Move the number conversions from string_util to a new file....

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 112 matching lines @@
         'scoped_ptr_unittest.cc',
         'scoped_temp_dir_unittest.cc',
         'scoped_variant_win_unittest.cc',
         'sha1_unittest.cc',
         'sha2_unittest.cc',
         'shared_memory_unittest.cc',
         'simple_thread_unittest.cc',
         'singleton_unittest.cc',
         'stack_container_unittest.cc',
         'stats_table_unittest.cc',
+        'string_number_conversions_unittest.cc',
         'string_piece_unittest.cc',
         'string_split_unittest.cc',
         'string_tokenizer_unittest.cc',
         'string_util_unittest.cc',
         'sys_info_unittest.cc',
         'sys_string_conversions_mac_unittest.mm',
         'sys_string_conversions_unittest.cc',
         'thread_collision_warner_unittest.cc',
         'thread_local_storage_unittest.cc',
         'thread_local_unittest.cc',
@@ skipping 137 matching lines @@
       ],
     }],
   ],
 }
 
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 # tab-width:2
 # indent-tabs-mode:nil
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