Merge 139616

Source/WebCore/inspector/front-end/AuditRules.js

 /*
  * Copyright (C) 2010 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:
  *
  *     * 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
@@ skipping 1040 matching lines @@
      */
     doRun: function(requests, result, callback, progress)
     {
         CSSAgent.getAllStyleSheets(sheetsCallback.bind(this));
 
         function sheetsCallback(error, headers)
         {
             if (error)
                 return callback(null);
 
+            if (!headers.length)
+                return callback(null);
             for (var i = 0; i < headers.length; ++i) {
                 var header = headers[i];
                 if (header.disabled)
                     continue; // Do not check disabled stylesheets.
 
                 this._visitStyleSheet(header.styleSheetId, i === headers.length - 1 ? finishedCallback : null, result, progress);
             }
         }
 
         function finishedCallback()
@@ skipping 330 matching lines @@
         result.violationCount = badUrls.length;
     },
 
     _collectorCallback: function(matchingResourceData, request, cookie)
     {
         matchingResourceData[request.url] = (matchingResourceData[request.url] || 0) + cookie.size();
     },
 
     __proto__: WebInspector.AuditRules.CookieRuleBase.prototype
 }