Add a Version class and matching unit tests, roughly based on chrome/installe...

base/base_unittests.scons

 # Copyright (c) 2006-2008 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.
 
 __doc__ = """
 Configuration for building base_unittests{,.exe}.
 """
 
 Import('env')
 
@@ skipping 94 matching lines @@
     'thread_collision_warner_unittest.cc',
     'thread_local_storage_unittest.cc',
     'thread_local_unittest.cc',
     'thread_unittest.cc',
     'time_unittest.cc',
     'time_win_unittest.cc',
     'timer_unittest.cc',
     'tracked_objects_unittest.cc',
     'tuple_unittest.cc',
     'values_unittest.cc',
+    'version_unittest.cc',
     'waitable_event_unittest.cc',
     'waitable_event_watcher_unittest.cc',
     'watchdog_unittest.cc',
     'win_util_unittest.cc',
     'wmi_util_unittest.cc',
     'word_iterator_unittest.cc',
   ]),
 
   MSVSFilter('gfx_tests', [
     'gfx/jpeg_codec_unittest.cc',
@@ skipping 101 matching lines @@
                 '$(SolutionDir)../testing/using_gtest.vsprops',
             ])
 
 # TODO(sgk) should this be moved into base.lib like everything else?  This will
 # require updating a bunch of other SConscripts which link directly against
 # this generated object file.
 env.StaticObject('perftimer.cc')
 
 # Since run_all_perftests supplies a main, we cannot have it in base.lib
 env.StaticObject('run_all_perftests.cc')