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

webrtc/base/base_tests.gyp

Index: webrtc/base/base_tests.gyp
diff --git a/webrtc/base/base_tests.gyp b/webrtc/base/base_tests.gyp
index 3c0e9121104b517773eed684ce062b76ba5257b7..664c3cda055fb27ff7c2729426563036b7da6829 100644
--- a/webrtc/base/base_tests.gyp
+++ b/webrtc/base/base_tests.gyp
@@ -15,6 +15,8 @@
         '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',
@@ -22,6 +24,7 @@
         'testbase64.h',
         'testechoserver.h',
         'testutils.h',
+        'timedelta.h',
       ],
       'defines': [
         'GTEST_RELATIVE_PATH',
@@ -64,8 +67,6 @@
           'event_tracer_unittest.cc',
           'event_unittest.cc',
           'exp_filter_unittest.cc',
-          'fakeclock.cc',
-          'fakeclock.h',
           'filerotatingstream_unittest.cc',
           'fileutils_unittest.cc',
           'helpers_unittest.cc',
@@ -115,7 +116,6 @@
           'testclient_unittest.cc',
           'thread_checker_unittest.cc',
           'thread_unittest.cc',
-          'timedelta.h',
           'timeutils_unittest.cc',
           'urlencode_unittest.cc',
           'versionparsing_unittest.cc',