Expose the chromium waterfall in sheriff-o-matic.

Tools/GardeningServer/scripts/ui.js

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 11 matching lines @@
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 var ui = ui || {};
 
 (function () {
 
 // FIXME: Put this all in a more appropriate place.
 
+// FIXME: Replace the flakiness dashboard's sense of groups with sheriff-o-matic's
+// sense of trees and get rid of this mapping.
+var treeToDashboardGroup = {
+    blink: '@ToT%20Blink',
+    chromium: '@ToT%20Chromium',
+};
+
 ui.displayNameForBuilder = function(builderName)
 {
     return builderName.replace(/Webkit /i, '');
 }
 
 // FIXME: Take a master name argument as well.
-ui.urlForFlakinessDashboard = function(testNames, testType)
+ui.urlForFlakinessDashboard = function(testNames, testType, tree)
 {
     if (Array.isArray(testNames))
         testNames = testNames.join(',');
 
     // FIXME: Remove this once the flakiness dashboard stops having webkit_tests
     // masquerade as layout-tests.
     if (testType == 'webkit_tests')
         testType = 'layout-tests';
 
-    return 'http://test-results.appspot.com/dashboards/flakiness_dashboard.html#' +
+    // FIXME: sugarjs's toQueryString makes spaces into pluses instead of %20, which confuses
+    // the flakiness dashboard, which just uses decodeURIComponent.
+    return 'http://test-results.appspot.com/dashboards/flakiness_dashboard.html#group=' +
+        treeToDashboardGroup[tree] + '&' +
         Object.toQueryString({
             tests: testNames,
             testType: testType,
         });
 }
 
-ui.urlForEmbeddedFlakinessDashboard = function(testNames, testType)
+ui.urlForEmbeddedFlakinessDashboard = function(testNames, testType, tree)
 {
-    return ui.urlForFlakinessDashboard(testNames, testType) + '&showChrome=false';
+    return ui.urlForFlakinessDashboard(testNames, testType, tree) + '&showChrome=false';
 }
 
 })();