Setting up benchmarks and perf utilities

test/perf/input/testing.js

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-if (navigator.webkitStartDart) {
-  navigator.webkitStartDart();
-}
-
 if (window.layoutTestController) {
+  window.layoutTestController.dumpAsText();
   window.layoutTestController.waitUntilDone();
 }
 
 function messageHandler(e) {
-  if (e.data == 'done') {
-    // TODO(sigmund): use && in this condition, issue #41
-    if (window.layoutTestController) {
-      window.layoutTestController.notifyDone();
-    }
+  if (e.data == 'done' && window.layoutTestController) {
+    window.layoutTestController.notifyDone();
   }
 }
 
 window.addEventListener('message', messageHandler, false);
 
 function errorHandler(e) {
   if (window.layoutTestController) {
     window.layoutTestController.notifyDone();
   }
   window.console.log('FAIL');
 }
 
 window.addEventListener('error', errorHandler, false);