Add ability to limit when context menu items appear with url patterns....

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

+// Copyright (c) 2010 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.
+
+// Checks that there is only one window and one tab, and calls back |callback|
+// with its id (or -1 if there is more than 1 window or more than 1 tab).
+function getCurrentSingleTabId(callback) {
+  chrome.windows.getAll({"populate":true}, function(windows) {
+    if (windows.length != 1 || windows[0].tabs.length != 1) {
+      callback(-1);
+    } else {
+      callback(windows[0].tabs[0].id);
+    }
+  });
+}
+
+function navigateCurrentTab(url) {
+  getCurrentSingleTabId(function(tabid) {
+    chrome.tabs.update(tabid, {"url": url});
+  });
+}
+
+var make_browsertest_proceed = function() {
+  if (!chrome.extension.lastError) {
+    navigateCurrentTab(chrome.extension.getURL("test.html"));
+  }
+};
+
+var patterns = ["http://*.google.com/*", "https://*.google.com/*"];
+
+window.onload = function() {
+  // Create one item that does have a documentUrlPattern and targetUrlPattern.
+  var properties1 = {
+    "title": "test_item1", "documentUrlPatterns": patterns,
+    "targetUrlPatterns": patterns
+  };
+  chrome.contextMenus.create(properties1);
+
+  // Create an item that initially doesn't have a documentUrlPattern and
+  // targetUrlPattern, then update it, and trigger the rest of the c++ code in
+  // the browser test by navigating the tab.
+  var properties2 = { "title": "test_item2" };
+
+  var id2;
+  id2 = chrome.contextMenus.create(properties2,
+                                                function() {
+    var update_properties = { "documentUrlPatterns": patterns,
+                              "targetUrlPatterns": patterns };
+    chrome.contextMenus.update(id2, update_properties,
+                               make_browsertest_proceed);
+  });
+};