[DevTools] Fix RemoteDebuggingTest.RemoteDebugger

chrome/test/data/devtools/target_list/background.js

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 var REMOTE_DEBUGGER_HOST = 'localhost:9222';
 
 function requestUrl(path, callback) {
   var req = new XMLHttpRequest();
   req.open('GET', 'http://' + REMOTE_DEBUGGER_HOST + path, true);
   req.onload = function() {
@@ skipping 106 matching lines @@
 
 var extensionTargetId;
 var extensionTabId;
 var extensionDevtoolsFrontendUrl;
 var extensionWebSocketDebuggerUrl;
 
 chrome.test.runTests([
   function discoverTargets() {
     var testPageUrl = chrome.extension.getURL('test_page.html');
 
-    function onUpdated(updatedTabId) {
-      requestUrl('/json', function(text) {
-        var targets = JSON.parse(text);
-        waitForTab(
-            function(tab) {
-              return tab.id == updatedTabId && tab.status == "complete"
-            },
-            function() {
-              checkTarget(targets, 'about:blank', 'page');
-              checkTarget(targets,
-                  chrome.extension.getURL('_generated_background_page.html'),
-                  'background_page',
-                  'Remote Debugger Test');
-              var target = checkTarget(targets,
-                  testPageUrl, 'page', 'Test page',
-                  chrome.extension.getURL('favicon.png'));
+    chrome.tabs.create({url: testPageUrl});
+    waitForTab(
+        function(tab) {
+          return tab.url == testPageUrl && tab.status == "complete";
+        },
+        function() {
+          requestUrl('/json', function(text) {
+            var targets = JSON.parse(text);
+            checkTarget(targets, 'about:blank', 'page');
+            checkTarget(targets,
+                chrome.extension.getURL('_generated_background_page.html'),
+                'background_page',
+                'Remote Debugger Test');
+            var target = checkTarget(targets,
+                testPageUrl, 'page', 'Test page',
+                chrome.extension.getURL('favicon.png'));
 
-              extensionTargetId = target.id;
-              extensionDevtoolsFrontendUrl = target.devtoolsFrontendUrl;
-              extensionWebSocketDebuggerUrl = target.webSocketDebuggerUrl;
+            extensionTargetId = target.id;
+            extensionDevtoolsFrontendUrl = target.devtoolsFrontendUrl;
+            extensionWebSocketDebuggerUrl = target.webSocketDebuggerUrl;
 
-              chrome.test.succeed();
-            });
+            chrome.test.succeed();
+          });
         });
-    }
-    listenOnce(chrome.tabs.onUpdated, onUpdated);
-    chrome.tabs.create({url: testPageUrl});
   },
 
   function versionInfo() {
     requestUrl('/json/version',
         function(text) {
           var versionInfo = JSON.parse(text);
           chrome.test.assertTrue(/^Chrome\//.test(versionInfo["Browser"]));
           chrome.test.assertTrue("Protocol-Version" in versionInfo);
           chrome.test.assertTrue("User-Agent" in versionInfo);
           chrome.test.assertTrue("WebKit-Version" in versionInfo);
@@ skipping 81 matching lines @@
   },
 
   function newSpecificPage() {
     runNewPageTest('/json/new?chrome://version/', "chrome://version/");
   },
 
   function newDefaultPage() {
     runNewPageTest('/json/new', "about:blank");
   }
 ]);