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

testing/buildbot/chromium.win.json

Index: testing/buildbot/chromium.win.json
diff --git a/testing/buildbot/chromium.win.json b/testing/buildbot/chromium.win.json
index 80569ac307f5e64e5d50d1e2afffc942a36cfeb9..cd8b382b9d88a37bcb6fd92acda82bb8dc5853c0 100644
--- a/testing/buildbot/chromium.win.json
+++ b/testing/buildbot/chromium.win.json
@@ -204,6 +204,12 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "install_static_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "installer_util_unittests"
       },
       {
@@ -632,6 +638,12 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "install_static_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "installer_util_unittests"
       },
       {
@@ -1079,6 +1091,12 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "install_static_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "installer_util_unittests"
       },
       {
@@ -1518,6 +1536,12 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "install_static_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "installer_util_unittests"
       },
       {
@@ -1908,6 +1932,12 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "install_static_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "installer_util_unittests"
       },
       {