Enable <adview> tag for packaged apps.

chrome/test/data/extensions/platform_apps/ad_view/ad_network_loaded/displayad.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.
+(function() {
+  "use strict";
+
+  var document = window.document;
+
+  // Arbitrary data.
+  var publisherData = {
+    id: "rpaquayAds",
+    extras: {
+      colorText: "Red",
+      colorBg: "Default"
+    },
+  };
+
+  /**
+   * Displays message |statusText|, clearing it after 15 seconds.
+   */
+  var timeoutSequenceId = 0;
+  function displayStatus(statusText) {
+    timeoutSequenceId++;
+
+    var div = document.getElementById("my-status");
+    div.textContent = statusText;
+
+    var sequenceId = timeoutSequenceId;
+    setTimeout(function() {
+      if (sequenceId === timeoutSequenceId) {
+        div.textContent = "";
+      }
+    }, 15000);
+  }
+
+  /**
+   * Displays size of ads when an ad has just been displayed.
+   */
+  function adDisplayed(source, appMessage) {
+    var adview = document.getElementById("my-adview");
+    adview.style.height = appMessage.data.adSize.height;
+
+    displayStatus("Ad displayed( " + appMessage.sequenceNumber + "): " +
+                  "height=" + appMessage.data.adSize.height);
+  }
+
+  /**
+   * Displays publisher data information when an ad has just been clicked.
+   */
+  function adClicked(source, appMessage) {
+    displayStatus("Ad clicked(" + appMmessage.sequenceNumber + "): " +
+                  "publisher id=" + appMessage.publisherData.id);
+  }
+
+  /**
+   * Dispatches |appMessage| according to message value.
+   */
+  function processAppMessage(source, appMessage) {
+    if (appMessage.message == "ad-displayed") {
+      adDisplayed(source, appMessage);
+    }
+    else if (appMessage.message == "ad-clicked") {
+      adClicked(source, appMessage);
+    }
+  }
+
+  /**
+   * Handles "message" event.
+   */
+  function onPostMessage(event) {
+    processAppMessage(event.source, event.data);
+  }
+
+  /**
+   * Handles "DOMContentLoaded" event.
+   */
+  function onDocumentReady() {
+    var button = document.getElementById('display-ad');
+    var adview = document.getElementById("my-adview");
+
+    // Enable "Display Ad" button when the adview content is loaded
+    adview.addEventListener('loadcommit', function() {
+      button.disabled = false;
+      button.value = "Display Ad";
+      button.addEventListener('click', function () {
+        adview.contentWindow.postMessage({
+          message: "display-ad",
+          publisherData: publisherData
+        }, "*");
+      }, false);
+    });
+  }
+
+  //
+  // Register global event listeners.
+  //
+  window.addEventListener("message", onPostMessage, false);
+  document.addEventListener('DOMContentLoaded', onDocumentReady, false);
+
+})();