Remove permission warnings from most tabs and windows APIs.

chrome/test/data/extensions/api_test/permissions/optional_gesture/background.js

 // 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.
 
 var fail = chrome.test.callbackFail;
 
 var GESTURE_ERROR = "This function must be called during a user gesture";
 
 chrome.test.getConfig(function(config) {
   chrome.test.runTests([
     function testGesture() {
       chrome.permissions.request(
-          {permissions: ['tabs']},
+          {permissions: ['bookmarks']},
           fail(GESTURE_ERROR));
     }
   ]);
 });