Merge custom bindings for context menus

chrome/test/data/extensions/context_menus/onclick_null/test.js

+// Copyright 2015 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.
+
+window.onload = function() {
+  chrome.contextMenus.create({
+    id: 'id1',
+    title: 'Menu item 1',
+    onclick: function() {
+      chrome.test.sendMessage('onclick1-unexpected');
+    }
+  }, onCreatedFirstMenu);
+};
+
+function onCreatedFirstMenu() {
+  chrome.contextMenus.update('id1', {
+    onclick: null
+  }, function() {
+    chrome.test.sendMessage('update1', function() {
+      // Now create another context menu item, to test whether adding and
+      // updating a context menu with a new onclick handler works.
+      // Upon completing that test, we will also know whether menu 1's initial
+      // onclick attribute has been triggered unexpectedly.
+      createSecondMenu();
+    });
+  });
+}
+
+function createSecondMenu() {
+  chrome.contextMenus.create({
+    id: 'id2',
+    title: 'Menu item 2',
+    onclick: function() {
+      chrome.test.sendMessage('onclick2-unexpected');
+    }
+  }, function() {
+    chrome.contextMenus.update('id2', {
+      onclick: function() {
+        chrome.test.sendMessage('onclick2');
+      }
+    }, function() {
+      chrome.test.sendMessage('update2');
+    });
+  });
+}