mac: Swizzle out +[NSBundle mainBundle] for in process browser tests.

chrome/chrome_tests_unit.gypi

 # Copyright 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.
 {
   'variables': {
     'chrome_unit_tests_sources': [
       # histograms.xml is analyzed by AboutFlagsHistogramTest, so this
       # dependency is needed to make commit bots run unit_tests on
       # histograms.xml changes.
       '../tools/metrics/histograms/histograms.xml',
@@ skipping 1799 matching lines @@
         'test/base/find_in_page_observer.cc',
         'test/base/find_in_page_observer.h',
         'test/base/history_index_restore_observer.cc',
         'test/base/history_index_restore_observer.h',
         'test/base/in_process_browser_test.cc',
         'test/base/in_process_browser_test.h',
         'test/base/profile_mock.cc',
         'test/base/profile_mock.h',
         'test/base/scoped_browser_locale.cc',
         'test/base/scoped_browser_locale.h',
+        'test/base/scoped_bundle_swizzler_mac.h',
+        'test/base/scoped_bundle_swizzler_mac.mm',
         'test/base/scoped_testing_local_state.cc',
         'test/base/scoped_testing_local_state.h',
         'test/base/test_browser_window.cc',
         'test/base/test_browser_window.h',
         'test/base/test_launcher_utils.cc',
         'test/base/test_launcher_utils.h',
         'test/base/test_switches.cc',
         'test/base/test_switches.h',
         'test/base/testing_browser_process.cc',
         'test/base/testing_browser_process.h',
@@ skipping 208 matching lines @@
             'common/media_galleries/picasa_test_util.cc',
             'common/media_galleries/picasa_test_util.cc',
             'common/media_galleries/pmp_test_util.cc',
             'common/media_galleries/pmp_test_util.h',
           ],
         }],
         ['OS=="mac"', {
           'dependencies': [
             '../breakpad/breakpad.gyp:breakpad',
             '../components/components.gyp:crash_component',
+            '../third_party/ocmock/ocmock.gyp:*',
           ],
           'sources': [
             'app/chrome_crash_reporter_client.cc',
             'app/chrome_crash_reporter_client_mac.mm',
             'app/chrome_main_mac.mm',
           ],
           'sources!': [
             'browser/ui/views/toolbar/browser_action_test_util_views.cc',
           ]
         }],
@@ skipping 810 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }