Revert of Improving the fake clock and using it to fix a flaky STUN timeout test.

webrtc/base/base_tests.gyp

 # Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 {
   'includes': [ '../build/common.gypi', ],
   'targets': [
     {
       'target_name': 'rtc_base_tests_utils',
       'type': 'static_library',
       'sources': [
         'unittest_main.cc',
         # Also use this as a convenient dumping ground for misc files that are
         # included by multiple targets below.
-        'fakeclock.cc',
-        'fakeclock.h',
         'fakenetwork.h',
         'fakesslidentity.h',
         'faketaskrunner.h',
         'gunit.h',
         'testbase64.h',
         'testechoserver.h',
         'testutils.h',
-        'timedelta.h',
       ],
       'defines': [
         'GTEST_RELATIVE_PATH',
       ],
       'dependencies': [
         'base.gyp:rtc_base',
         '<(DEPTH)/testing/gtest.gyp:gtest',
         '<(webrtc_root)/test/test.gyp:field_trial',
       ],
       'direct_dependent_settings': {
         'defines': [
           'GTEST_RELATIVE_PATH',
         ],
       },
       'export_dependent_settings': [
         '<(DEPTH)/testing/gtest.gyp:gtest',
       ],
     },
   ],
 }