Fix presubmit errors introduced by r10002.

benchmarks/spinning-balls/v.js

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 410 matching lines @@
     requestAnimationFrame(render);
   } else {
     renderStats();
   }
 }
 
 
 function Form() {
   function create(tag) { return document.createElement(tag); }
   function text(value) { return document.createTextNode(value); }
-  
+
   this.form = create("form");
   this.form.setAttribute("action", "javascript:start()");
 
   var table = create("table");
   table.setAttribute("style", "margin-left: auto; margin-right: auto;");
 
   function col(a) {
     var td = create("td");
     td.appendChild(a);
     return td;
   }
 
   function row(a, b) {
     var tr = create("tr");
     tr.appendChild(col(a));
     tr.appendChild(col(b));
-    return tr; 
+    return tr;
   }
 
   this.timelimit = create("input");
   this.timelimit.setAttribute("value", "60");
 
   table.appendChild(row(text("Time limit in seconds"), this.timelimit));
 
   this.autoscale = create("input");
   this.autoscale.setAttribute("type", "checkbox");
   this.autoscale.setAttribute("checked", "true");
@@ skipping 30 matching lines @@
 
 function start() {
   benchmarkTimeLimit = form.timelimit.value * 1000;
   autoScale = form.autoscale.checked;
   form.remove();
   init();
   render();
 }
 
 var form = new Form();