Revert of [telemetry] Refactor run_tests to remove old cruft.

tools/telemetry/telemetry/unittest/gtest_unittest_results.py

Index: tools/telemetry/telemetry/unittest/gtest_unittest_results.py
diff --git a/tools/telemetry/telemetry/unittest/gtest_unittest_results.py b/tools/telemetry/telemetry/unittest/gtest_unittest_results.py
index 3a9fdc1b3a9d83d39871fa3324b84d0f44a1c7d7..f68cbd9b07a0f4983cff7b79d1f8540f682cefe7 100644
--- a/tools/telemetry/telemetry/unittest/gtest_unittest_results.py
+++ b/tools/telemetry/telemetry/unittest/gtest_unittest_results.py
@@ -8,20 +8,11 @@
 import unittest
 
 
-class GTestTestSuite(unittest.TestSuite):
-  def run(self, result):  # pylint: disable=W0221
-    result.StartTestSuite(self)
-    result = super(GTestTestSuite, self).run(result)
-    result.StopTestSuite(self)
-    return result
-
-
 class GTestUnittestResults(unittest.TestResult):
   def __init__(self, output_stream):
     super(GTestUnittestResults, self).__init__()
     self._output_stream = output_stream
-    self._test_start_time = None
-    self._test_suite_start_time = None
+    self._timestamp = None
     self._successes_count = 0
 
   @property
@@ -29,7 +20,7 @@
     return self._successes_count
 
   def _GetMs(self):
-    return (time.time() - self._test_start_time) * 1000
+    return (time.time() - self._timestamp) * 1000
 
   @property
   def num_errors(self):
@@ -60,7 +51,7 @@
     print >> self._output_stream, '[ RUN      ]', (
         GTestUnittestResults._formatTestname(test))
     sys.stdout.flush()
-    self._test_start_time = time.time()
+    self._timestamp = time.time()
 
   def addSuccess(self, test):
     super(GTestUnittestResults, self).addSuccess(test)
@@ -74,30 +65,11 @@
     super(GTestUnittestResults, self).addSkip(test, reason)
     test_name = GTestUnittestResults._formatTestname(test)
     logging.warning('===== SKIPPING TEST %s: %s =====', test_name, reason)
-    if self._test_start_time == None:
-      self._test_start_time = time.time()
+    if self._timestamp == None:
+      self._timestamp = time.time()
     print >> self._output_stream, '[       OK ]', test_name, (
         '(%0.f ms)' % self._GetMs())
     sys.stdout.flush()
-
-  def StartTestSuite(self, suite):
-    contains_test_suites = any(isinstance(test, unittest.TestSuite)
-                               for test in suite)
-    if not contains_test_suites:
-      test_count = len([test for test in suite])
-      unit = 'test' if test_count == 1 else 'tests'
-      print '[----------]', test_count, unit
-      self._test_suite_start_time = time.time()
-
-  def StopTestSuite(self, suite):
-    contains_test_suites = any(isinstance(test, unittest.TestSuite)
-                               for test in suite)
-    if not contains_test_suites:
-      elapsed_ms = (time.time() - self._test_suite_start_time) * 1000
-      test_count = len([test for test in suite])
-      unit = 'test' if test_count == 1 else 'tests'
-      print '[----------]', test_count, unit, '(%d ms total)' % elapsed_ms
-      print
 
   def PrintSummary(self):
     unit = 'test' if self._successes_count == 1 else 'tests'