Improve <adview> implementation and add tests.

chrome/test/data/extensions/platform_apps/ad_view/loadcommit_event/chrometest.js

Index: chrome/test/data/extensions/platform_apps/ad_view/loadcommit_event/chrometest.js
diff --git a/chrome/test/data/extensions/platform_apps/ad_view/loadcommit_event/chrometest.js b/chrome/test/data/extensions/platform_apps/ad_view/loadcommit_event/chrometest.js
new file mode 100644
index 0000000000000000000000000000000000000000..b7d65c13b3085d6b4c2bb78f6fecb82f2ac66d86
--- /dev/null
+++ b/chrome/test/data/extensions/platform_apps/ad_view/loadcommit_event/chrometest.js
@@ -0,0 +1,33 @@
+// Copyright 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.
+
+// This test checks the "loadcommit" event is called when the page inside an
+// <adview> is loaded.
+
+function runTests(guestURL) {
+  chrome.test.runTests([
+    function test() {
+      var adview = document.getElementsByTagName("adview")[0];
+
+      adview.addEventListener("loadcommit", function(event) {
+        var url = event.url;
+        var isTopLevel = event.isTopLevel;
+        chrome.test.assertEq(guestURL, url);
+        chrome.test.assertEq(true, isTopLevel);
+        console.log("loadcommit event called: url=" + url);
+        chrome.test.succeed();
+      })
+
+      adview.setAttribute("src", guestURL);
+    }
+  ]);
+}
+
+window.onload = function() {
+  chrome.test.getConfig(function(config) {
+    var guestURL = 'http://localhost:' + config.testServer.port +
+        '/files/extensions/platform_apps/ad_view/ad_network_site/testsdk.html';
+    runTests(guestURL);
+  });
+}