Refactor FileVersionInfo into an interface with platform implementations.

chrome/chrome.gyp

 # Copyright (c) 2010 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,
 
     'variables': {
       'version_py_path': 'tools/build/version.py',
       'version_path': 'VERSION',
@@ skipping 1434 matching lines @@
               ],
               'message': 'Generating version information in <(_outputs)'
             },
           ],
         },
         {
           'target_name': 'automation',
           'type': '<(library)',
           'msvs_guid': '1556EF78-C7E6-43C8-951F-F6B43AC0DD12',
           'dependencies': [
+            'chrome_version_info',
             'theme_resources',
             '../skia/skia.gyp:skia',
             '../testing/gtest.gyp:gtest',
           ],
           'include_dirs': [
             '..',
           ],
           'sources': [
              'test/automation/autocomplete_edit_proxy.cc',
              'test/automation/autocomplete_edit_proxy.h',
@@ skipping 170 matching lines @@
       }],  # targets
     }],  # OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"
   ],  # 'conditions'
 }
 
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