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..5476a060f9fcb4150ac3890b9782c997f8d2634a 100644
--- a/chrome/chrome_installer_static.gypi
+++ b/chrome/chrome_installer_static.gypi
@@ -46,6 +46,25 @@
             },
           },
         },
+        {
+          'target_name': 'install_static_unittests',

[grt (UTC plus 2), 2016/05/27 14:13:20]

add an .isolate file for this test; see
http://www.chromium.org/developers/testing/isolated-testing/for-swes#TOC-Addi....
https://codereview.chromium.org/1223293004 is an example of a CL that makes
setup_unittests swarmable.

[ananta, 2016/05/27 20:05:25]

Yeah. I had that file created. Forgot to git add it. Done.

[grt (UTC plus 2), 2016/05/27 20:18:03]

Cool. You need an install_static_unittests_run target as well.

+          'type': 'executable',
+          'sources': [
+            'install_static/install_static_unittests.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"', {