Some perf improvements to sheriff-o-matics updates.

Tools/GardeningServer/model/ct-sheriff-failure-group-data.html

Index: Tools/GardeningServer/model/ct-sheriff-failure-group-data.html
diff --git a/Tools/GardeningServer/model/ct-sheriff-failure-group-data.html b/Tools/GardeningServer/model/ct-sheriff-failure-group-data.html
index e1f3cfc3a8630a5f70a4da52279ab4f4122fab08..1e20783c4be0d013a46cb0b9a973ea1527035512 100644
--- a/Tools/GardeningServer/model/ct-sheriff-failure-group-data.html
+++ b/Tools/GardeningServer/model/ct-sheriff-failure-group-data.html
@@ -28,4 +28,17 @@ CTSheriffFailureGroupData.prototype.failureKeys = function() {
     return failure.keys();
   }).flatten();
 };
+
+CTSheriffFailureGroupData.prototype.failedOnce = function() {

[esprehn, 2014/09/10 03:59:13]

This is much better.

+  var totalFailures = 0;
+  for (var i = 0; i < this.failures.length; i++) {
+    var resultNodes = this.failures[i].resultNodesByBuilder;
+    for (var r in resultNodes) {
+      totalFailures += resultNodes[r].failingBuildCount;
+      if (totalFailures > 1)
+        return false;
+    }
+  }
+  return totalFailures == 1;
+}
 </script>