Improve <adview> implementation and add tests.

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

Index: chrome/test/data/extensions/platform_apps/ad_view/display_first_ad/chrometest.js
diff --git a/chrome/test/data/extensions/platform_apps/ad_view/display_first_ad/chrometest.js b/chrome/test/data/extensions/platform_apps/ad_view/display_first_ad/chrometest.js
index de95a6c094fd872b1960e400418341dcfc869502..d5dab085b0f7985ef044582de88249458be6571f 100644
--- a/chrome/test/data/extensions/platform_apps/ad_view/display_first_ad/chrometest.js
+++ b/chrome/test/data/extensions/platform_apps/ad_view/display_first_ad/chrometest.js
@@ -1,25 +1,38 @@
-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// 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.
 
-chrome.test.getConfig(function(config) {
-  var guestURL = 'http://localhost:' + config.testServer.port +
-      '/files/extensions/platform_apps/ad_view/ad_network/testsdk.html';
-  var adview = document.getElementsByTagName("adview")[0];
+// This test checks the page running inside an <adview> has the ability to load
+// and display an image inside an <iframe>.
 
-  adview.addEventListener("loadcommit", function() {
-    adview.contentWindow.postMessage({
-      message: "display-first-ad",
-      publisherData: "data"
-    }, "*");
-  })
+function runTests(guestURL) {
+  chrome.test.runTests([
+    function test() {
+      var adview = document.getElementsByTagName("adview")[0];
 
-  window.addEventListener("message", function(event) {
-    if (event.data.message == "ad-displayed") {
-      console.log("ad-displayed: " + event.data.data.adSize.height);
-      chrome.test.sendMessage("ad-displayed");
+      adview.addEventListener("loadcommit", function() {
+        adview.contentWindow.postMessage({
+          message: "display-first-ad",
+          publisherData: "data"
+        }, "*");
+      })
+
+      window.addEventListener("message", function(event) {
+        if (event.data.message == "ad-displayed") {
+          console.log("ad-displayed: " + event.data.data.adSize.height);
+          chrome.test.succeed();
+        }
+      })
+
+      adview.setAttribute("src", guestURL);
     }
-  })
+  ]);
+}
 
-  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);
+  });
+}