Issue 21729: Add new event chrome.tabs.onStatusChange .

chrome/test/data/extensions/api_test/executescript/test.html

 <script>
 
 var pass = chrome.test.callbackPass;
 var fail = chrome.test.callbackFail;
 var assertEq = chrome.test.assertEq;
 var assertTrue = chrome.test.assertTrue;
 var relativePath =
     '/files/extensions/api_test/executescript/test_executescript.html';
 var testUrl = 'http://a.com:1337' + relativePath;
 var testFailureUrl = 'http://b.com:1337' + relativePath;
 var testingFailure = false;
 
-chrome.tabs.onUpdated.addListener(function(tabId, changeInfo) {
+chrome.tabs.onUpdated.addListener(function(tabId, changeInfo, tab) {
   if (changeInfo.status == 'complete')
     return;
   if (testingFailure) {
     return;
   }
 
   chrome.test.runTests([
 
     function executeJavaScriptCodeShouldSucceed() {
       var script_file = {};
@@ skipping 53 matching lines @@
             '". Extension manifest must request permission to access this ' +
             'host.'));
       });
     }
   ]);
 });
 
 chrome.tabs.create({ url: testUrl });
 
 </script>