Browser Plugin: Remove dependency on NPAPI

chrome/test/data/extensions/platform_apps/web_view/shim/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.
 
 var util = {};
 var embedder = {};
 embedder.baseGuestURL = '';
 embedder.emptyGuestURL = '';
 embedder.windowOpenGuestURL = '';
 embedder.noReferrerGuestURL = '';
@@ skipping 75 matching lines @@
 
 embedder.test.assertFalse = function(condition) {
   if (condition) {
     console.log('assertion failed: false != ' + condition);
     embedder.test.fail();
   }
 };
 
 // Tests begin.
 
+// This test verifies that the allowtransparency property cannot be changed
+// once set. The attribute can only be deleted.
+function testAllowTransparencyAttribute() {
+  var webview = document.createElement('webview');
+  webview.src = 'data:text/html,webview test';
+  webview.allowtransparency = true;
+
+  webview.addEventListener('loadstop', function(e) {
+    embedder.test.assertTrue(webview.hasAttribute('allowtransparency'));
+    webview.allowtransparency = false;
+    embedder.test.assertTrue(webview.allowtransparency);
+    embedder.test.assertTrue(webview.hasAttribute('allowtransparency'));
+    webview.removeAttribute('allowtransparency');
+    embedder.test.assertFalse(webview.allowtransparency);
+    embedder.test.succeed();
+  });
+
+  document.body.appendChild(webview);
+}
+
 // This test verifies that a lengthy page with autosize enabled will report
 // the correct height in the sizechanged event.
 function testAutosizeHeight() {
   var webview = document.createElement('webview');
 
   webview.autosize = true;
   webview.minwidth = 200;
   webview.maxwidth = 210;
   webview.minheight = 40;
   webview.maxheight = 200;
@@ skipping 1695 matching lines @@
     });
     wv.find("dog");
     wv.find("cat");
     wv.find("dog");
   });
 
   document.body.appendChild(webview);
 };
 
 embedder.test.testList = {
+  'testAllowTransparencyAttribute': testAllowTransparencyAttribute,
   'testAutosizeHeight': testAutosizeHeight,
   'testAutosizeAfterNavigation': testAutosizeAfterNavigation,
   'testAutosizeBeforeNavigation': testAutosizeBeforeNavigation,
   'testAutosizeRemoveAttributes': testAutosizeRemoveAttributes,
   'testAutosizeWithPartialAttributes': testAutosizeWithPartialAttributes,
   'testAPIMethodExistence': testAPIMethodExistence,
   'testChromeExtensionURL': testChromeExtensionURL,
   'testChromeExtensionRelativePath': testChromeExtensionRelativePath,
   'testDisplayNoneWebviewLoad': testDisplayNoneWebviewLoad,
   'testDisplayNoneWebviewRemoveChild': testDisplayNoneWebviewRemoveChild,
@@ skipping 57 matching lines @@
   'testFindAPI': testFindAPI,
   'testFindAPI_findupdate': testFindAPI
 };
 
 onload = function() {
   chrome.test.getConfig(function(config) {
     embedder.setUp_(config);
     chrome.test.sendMessage("Launched");
   });
 };