Apply object updates from the network without blowing away object identity or UI attributes.

Tools/GardeningServer/model/test/ct-failures-tests.html

Index: Tools/GardeningServer/model/test/ct-failures-tests.html
diff --git a/Tools/GardeningServer/model/test/ct-failures-tests.html b/Tools/GardeningServer/model/test/ct-failures-tests.html
index e68d81257b86cf636d91766b513a1617bda4348c..72df58b016f412cb8f773628e787e4dbe1e3d521 100644
--- a/Tools/GardeningServer/model/test/ct-failures-tests.html
+++ b/Tools/GardeningServer/model/test/ct-failures-tests.html
@@ -36,10 +36,10 @@ describe('ct-failures', function() {
       var cl2 = new CTCommitList(undefined, ['chromium:2', 'blink:1']);
       var cl3 = new CTCommitList(undefined, ['chromium:2', 'blink:2']);
       var cl4 = new CTCommitList(undefined, []);
-      var group1 = new CTFailureGroup([], cl1);
-      var group2 = new CTFailureGroup([], cl2);
-      var group3 = new CTFailureGroup([], cl3);
-      var group4 = new CTFailureGroup([], cl4);
+      var group1 = new CTFailureGroup('', [], cl1);
+      var group2 = new CTFailureGroup('', [], cl2);
+      var group3 = new CTFailureGroup('', [], cl3);
+      var group4 = new CTFailureGroup('', [], cl4);
 
       // Sort by last revision first.
       assert(analyzer._failureByTreeListComparator('chromium', group1, group2) > 0);