For extension context menus, only apply targetUrlPatterns to appropriate contexts.

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

Index: chrome/test/data/extensions/context_menus/target_urls/test.js
diff --git a/chrome/test/data/extensions/context_menus/target_urls/test.js b/chrome/test/data/extensions/context_menus/target_urls/test.js
index e32099feab1d7d857729f75271ec99be46497f3c..9742bfd9edda0ef4b50acf8aa34691bfc7d41256 100644
--- a/chrome/test/data/extensions/context_menus/target_urls/test.js
+++ b/chrome/test/data/extensions/context_menus/target_urls/test.js
@@ -1,10 +1,10 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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() {
   var patterns = [ "http://*.google.com/*" ];
-  chrome.contextMenus.create({"title":"item1", "contexts": ["all"],
+  chrome.contextMenus.create({"title":"item1", "contexts": ["link"],
                               "targetUrlPatterns": patterns}, function() {
     if (!chrome.extension.lastError) {
       chrome.test.sendMessage("created items");