Only disallow top-level navigations in platform apps

chrome/test/data/extensions/platform_apps/iframes/main.js

+// Copyright (c) 2012 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 LOCAL_URL = 'local-iframe.html';
+  var DATA_URL = 'data:text/plain,This frame should be displayed.';
+  var REMOTE_URL = 'http://localhost:' + config.testServer.port
+      '/files/extensions/platform_apps/iframes/remote-iframe.html';
+
+  chrome.test.runTests([
+    function localIframe() {
+      var iframe = document.createElement('iframe');
+      iframe.onload = chrome.test.callbackPass(function() {
+        console.log('Local iframe loaded');
+      });
+      iframe.src = LOCAL_URL;
+      document.body.appendChild(iframe);
+    },
+
+    function dataUrlIframe() {
+      var iframe = document.createElement('iframe');
+      iframe.onload = chrome.test.callbackPass(function() {
+        console.log('data: URL iframe loaded');
+      });
+      iframe.src = DATA_URL;
+      document.body.appendChild(iframe);
+    },
+
+    function filesystemUrlIframe() {
+      var iframe = document.createElement('iframe');
+      iframe.onload = chrome.test.callbackPass(function() {
+        console.log('filesystem: URL iframe loaded');
+      });
+
+      webkitRequestFileSystem(
+          window.TEMPORARY,
+          1024,
+          function(fs) {
+            fs.root.getFile(
+                'test.html',
+                {create: true, exclusive: false},
+                function(fileEntry) {
+                    fileEntry.createWriter(function(fileWriter) {
+                      fileWriter.onwriteend = function(e) {
+                        var url = fileEntry.toURL();
+                        chrome.test.assertEq(0, url.indexOf('filesystem:'));
+                        iframe.src = url;
+                        document.body.appendChild(iframe);
+                      };
+
+                      var blobBuilder = new WebKitBlobBuilder();
+                      blobBuilder.append('This frame should be displayed');
+                      fileWriter.write(blobBuilder.getBlob('text/html'));
+                    });
+                });
+          });
+    },
+
+    function blobUrlIframe() {
+      var blobBuilder = new WebKitBlobBuilder();
+      blobBuilder.append('This frame should be displayed');
+
+      var blobUrl = window.webkitURL.createObjectURL(
+          blobBuilder.getBlob('text/html'));
+      var iframe = document.createElement('iframe');
+      iframe.onload = chrome.test.callbackPass(function() {
+        console.log('blob: URL iframe loaded');
+      });
+      iframe.src = blobUrl;
+      document.body.appendChild(iframe);
+    },
+
+    function FAILS_remoteIframe() {
+      // TODO(mihaip): re-enable once remote iframe restrictions are
+      // implemented.
+      chrome.test.succeed();
+      return;
+
+      var iframe = document.createElement('iframe');
+      iframe.onload = function() {
+        chrome.test.notifyFail('Remote iframe should not have loaded');
+      };
+      iframe.src = REMOTE_URL;
+      document.body.appendChild(iframe);
+
+      // Load failure should happen synchronously, but wait a bit before
+      // declaring success.
+      setTimeout(chrome.test.succeed, 500);
+    }
+  ]);
+});