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

chrome/test/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/test/base/js2gtest.gni")
 import("//testing/test.gni")
@@ skipping 22 matching lines @@
     "base/chrome_unit_test_suite.cc",
     "base/chrome_unit_test_suite.h",
     "base/dialog_test_browser_window.cc",
     "base/dialog_test_browser_window.h",
     "base/find_in_page_observer.cc",
     "base/find_in_page_observer.h",
     "base/history_index_restore_observer.cc",
     "base/history_index_restore_observer.h",
     "base/in_process_browser_test.cc",
     "base/in_process_browser_test.h",
+    "base/in_process_browser_test_mac.cc",
     "base/profile_mock.cc",
     "base/profile_mock.h",
     "base/scoped_browser_locale.cc",
     "base/scoped_browser_locale.h",
     "base/scoped_bundle_swizzler_mac.h",
     "base/scoped_bundle_swizzler_mac.mm",
     "base/scoped_testing_local_state.cc",
     "base/scoped_testing_local_state.h",
     "base/test_browser_window.cc",
     "base/test_browser_window.h",
@@ skipping 1694 matching lines @@
     "//third_party/mojo/src/mojo/edk/system",
   ]
 
   if (!is_android && use_ash) {
     sources +=
         rebase_path(unit_gypi_values.chrome_test_support_unit_ash_sources,
                     ".",
                     "//chrome")
   }
 }