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

chrome/chrome_installer_static.gypi

Index: chrome/chrome_installer_static.gypi
diff --git a/chrome/chrome_installer_static.gypi b/chrome/chrome_installer_static.gypi
index 059588849e37ae3e8c77011c3048bb3661e12383..c4c512d585ad7ab6fbe335a2206281781e0a9e6c 100644
--- a/chrome/chrome_installer_static.gypi
+++ b/chrome/chrome_installer_static.gypi
@@ -46,7 +46,42 @@
             },
           },
         },
+        {
+          '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',
+          ],
+        },
       ],
+      'conditions': [
+        ['test_isolation_mode != "noop"', {
+          'targets': [
+            {
+              'target_name': 'install_static_unittests_run',
+              'type': 'none',
+              'dependencies': [
+                'install_static_unittests',
+               ],
+               'includes': [ '../build/isolate.gypi' ],
+               'sources': [
+			     'install_static/install_static_unittests.isolate'

[scottmg, 2016/05/27 20:57:59]

tabs here (rietveld's display of them is currently broken)

[ananta, 2016/05/27 21:38:54]

Done.

+               ],
+            },
+          ],
+       }],
     }],
     ['OS=="win" and target_arch=="ia32"', {
       'targets': [