Add Google Analytics to buildbot pages.

third_party/buildbot_8_4p1/README.chromium

Index: third_party/buildbot_8_4p1/README.chromium
diff --git a/third_party/buildbot_8_4p1/README.chromium b/third_party/buildbot_8_4p1/README.chromium
index 5c56a0f7cf06280123ba137e0bec18946a24de2b..727e66c101a23eb2d8dff073d415d8cb41fe9cb0 100644
--- a/third_party/buildbot_8_4p1/README.chromium
+++ b/third_party/buildbot_8_4p1/README.chromium
@@ -4609,3 +4609,24 @@ index 9099a08..f5b4f43 100644
          if cmd.rc != 0:
              return FAILURE
          return SUCCESS
+
+diff --git a/third_party/buildbot_8_4p1/buildbot/status/web/templates/layout.html b/third_party/buildbot_8_4p1/buildbot/status/web/templates/layout.html
+index e988807..3a582ef 100644
+--- a/third_party/buildbot_8_4p1/buildbot/status/web/templates/layout.html
++++ b/third_party/buildbot_8_4p1/buildbot/status/web/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>