Add Google Analytics to buildbot pages.

masters/master.chromium/templates/layout.html

Index: masters/master.chromium/templates/layout.html
diff --git a/masters/master.chromium/templates/layout.html b/masters/master.chromium/templates/layout.html
index 040057439a51f320543d5a6cc6d1c551786c198c..773ea62912d3bd232084644d4624be61e8bb9cdc 100644
--- a/masters/master.chromium/templates/layout.html
+++ b/masters/master.chromium/templates/layout.html
@@ -60,5 +60,15 @@
       Page built: <b>{{ time }}</b> ({{ tz }})
     </div>
     {% endblock -%}
+    <script>
+      (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
+      (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
+      m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
+      })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
+
+      ga('create', 'UA-55762617-2', 'auto');
+      ga('send', 'pageview');
+
+    </script>
   </body>
 </html>