Don't keep the lazy background page alive after a view with a Pepper plugin is closed

ppapi/tests/extensions/popup/popup.js

Index: ppapi/tests/extensions/popup/popup.js
diff --git a/extensions/test/data/platform_app/world.js b/ppapi/tests/extensions/popup/popup.js
similarity index 59%
copy from extensions/test/data/platform_app/world.js
copy to ppapi/tests/extensions/popup/popup.js
index 9804641fc88c20ec6f08df49d9154a7056ce40da..e756e63233844004aaf43a81718bcb4310b9dd1c 100644
--- a/extensions/test/data/platform_app/world.js
+++ b/ppapi/tests/extensions/popup/popup.js
@@ -2,7 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-window.onload = function() {
-  console.log('app window opened');
+function onModuleLoaded() {
   chrome.test.notifyPass();
+}
+
+window.onload = function() {
+  var nacl_module = document.getElementById('nacl_module');
+  nacl_module.addEventListener('load', onModuleLoaded, false);
 };