Add functionality to the install_static library to tokenize strings and compare versions.

chrome/chrome_installer_static.gypi

 # Copyright 2016 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.
 
 # The install_static_util target should only depend on functions in kernel32
 # and advapi32. Please don't add dependencies on other system libraries.
 {
   'target_defaults': {
     'variables': {
       'installer_static_target': 0,
@@ skipping 28 matching lines @@
           'msvs_settings': {
             'VCLinkerTool': {
               # Please don't add dependencies on other system libraries.
               'AdditionalDependencies': [
                 'kernel32.lib',
                 'advapi32.lib',
               ],
             },
           },
         },
+        {
+          'target_name': 'install_static_unittests',
+          'type': 'executable',
+          'sources': [
+            'install_static/install_util_unittest.cc',
+          ],
+          'include_dirs': [
+            '..',
+            '<(SHARED_INTERMEDIATE_DIR)',
+          ],
+          'dependencies': [
+            '../base/base.gyp:base',
+            '../base/base.gyp:run_all_unittests',
+            '../base/base.gyp:test_support_base',
+            'chrome.gyp:install_static_util',
+            '../testing/gmock.gyp:gmock',
+            '../testing/gtest.gyp:gtest',
+          ],
+        },
       ],
     }],
     ['OS=="win" and target_arch=="ia32"', {
       'targets': [
         {
           'target_name': 'install_static_util_nacl_win64',
           'type': 'static_library',
           'variables': {
             'installer_static_target': 1,
           },
@@ skipping 15 matching lines @@
                 'kernel32.lib',
                 'advapi32.lib',
               ],
             },
           },
         },
       ],
     }],
   ],
 }