Make ActiveTabPermissionManager also grant the tabs permission.

chrome/renderer/resources/extensions/apitest.js

 // Copyright (c) 2012 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.
 
 // extension_apitest.js
 // mini-framework for ExtensionApiTest browser tests
 
   chrome.test = chrome.test || {};
 
   chrome.test.tests = chrome.test.tests || [];
@@ skipping 171 matching lines @@
     }
   };
 
   chrome.test.assertNoLastError = function() {
     if (chrome.runtime.lastError != undefined) {
       chrome.test.fail("lastError.message == " +
                        chrome.runtime.lastError.message);
     }
   };
 
+  chrome.test.assertLastError = function(expectedError) {
+    chrome.test.assertEq(typeof(expectedError), 'string');
+    chrome.test.assertTrue(chrome.runtime.lastError != undefined,
+        "No lastError, but expected " + expectedError);
+    chrome.test.assertEq(expectedError, chrome.runtime.lastError.message);
+  }
+
   function safeFunctionApply(func, arguments) {
     try {
       if (func)
         func.apply(null, arguments);
     } catch (e) {
       var msg = "uncaught exception " + e;
       chrome.test.fail(msg);
     }
   };
 
   // Wrapper for generating test functions, that takes care of calling
   // assertNoLastError() and (optionally) succeed() for you.
   chrome.test.callback = function(func, expectedError) {
     if (func) {
       chrome.test.assertEq(typeof(func), 'function');
     }
     var callbackCompleted = chrome.test.callbackAdded();
 
     return function() {
       if (expectedError == null) {
         chrome.test.assertNoLastError();
       } else {
-        chrome.test.assertEq(typeof(expectedError), 'string');
-        chrome.test.assertTrue(chrome.runtime.lastError != undefined,
-            "No lastError, but expected " + expectedError);
-        chrome.test.assertEq(expectedError, chrome.runtime.lastError.message);
+        chrome.test.assertLastError(expectedError);
       }
 
       if (func) {
         safeFunctionApply(func, arguments);
       }
 
       callbackCompleted();
     };
   };
 
@@ skipping 29 matching lines @@
 
   chrome.test.callbackFail = function(expectedError, func) {
     return chrome.test.callback(func, expectedError);
   };
 
   chrome.test.runTests = function(tests) {
     chrome.test.tests = tests;
     testCount = chrome.test.tests.length;
     chrome.test.runNextTest();
   };