mac: Flush the autorelease pool after making a browser window in browser tests.

chrome/browser/profiles/profile_browsertest.cc

 // 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.
 
 #include "chrome/browser/profiles/profile.h"
 
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/json/json_reader.h"
@@ skipping 519 matching lines @@
   StartActiveFetcherDuringProfileShutdownTest(
       browser()->profile()->GetRequestContextForExtensions());
 }
 
 // The following tests make sure that it's safe to destroy an incognito profile
 // while one of the its URLRequestContextGetters is in use by a URLFetcher.
 
 IN_PROC_BROWSER_TEST_F(ProfileBrowserTest,
                        URLFetcherUsingMainContextDuringIncognitoTeardown) {
   Browser* incognito_browser =
-      ui_test_utils::OpenURLOffTheRecord(browser()->profile(),
-                                         GURL("about:blank"));
+      OpenURLOffTheRecord(browser()->profile(), GURL("about:blank"));
   RunURLFetcherActiveDuringIncognitoTeardownTest(
       incognito_browser, incognito_browser->profile()->GetRequestContext());
 }
 
 IN_PROC_BROWSER_TEST_F(ProfileBrowserTest,
                        URLFetcherUsingExtensionContextDuringIncognitoTeardown) {
   Browser* incognito_browser =
-      ui_test_utils::OpenURLOffTheRecord(browser()->profile(),
-                                         GURL("about:blank"));
+      OpenURLOffTheRecord(browser()->profile(), GURL("about:blank"));
+
   RunURLFetcherActiveDuringIncognitoTeardownTest(
       incognito_browser,
       incognito_browser->profile()->GetRequestContextForExtensions());
 }