Fixing and enabling OilpanGCTimesTest

Bug: 909752
Change-Id: Ic3556b4a2a4e403ab7c1ec4eacb1ada85b392668
Reviewed-on: https://chromium-review.googlesource.com/c/1355199Reviewed-by: Ned Nguyen <nednguyen@google.com>
Reviewed-by: Caleb Rouleau <crouleau@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Hitoshi Yoshida <peria@chromium.org>
Commit-Queue: Emily Hanley <eyaich@chromium.org>
Cr-Commit-Position: refs/heads/master@{#613118}

tools/perf/contrib/oilpan/oilpan_gc_times_unittest.py

@@ -34,6 +34,9 @@ class OilpanGCTimesTestData(object):
     self._renderer_thread = self._renderer_process.GetOrCreateThread(2)
     self._renderer_thread.name = thread_name
     self._results = page_test_results.PageTestResults()
+    self._results.telemetry_info.benchmark_name = 'benchmark'
+    self._results.telemetry_info.benchmark_start_epoch = 123
+    self._results.telemetry_info.benchmark_descriptions = 'foo'
 
   @property
   def results(self):
@@ -86,7 +89,6 @@ class OilpanGCTimesTest(page_test_test_case.PageTestTestCase):
   def setUp(self):
     self._options = options_for_unittests.GetCopy()
 
-  @decorators.Disabled('all')  # crbug.com/909752
   # Disable for accessing private API of _OilpanGCTimesBase.
   # pylint: disable=protected-access
   def testForParsingOldFormat(self):
@@ -120,7 +122,6 @@ class OilpanGCTimesTest(page_test_test_case.PageTestTestCase):
     self.assertEquals(2, len(getMetric(results,
                                        'oilpan_forced_complete_sweep')))
 
-  @decorators.Disabled('all')  # crbug.com/909752
   # Disable for accessing private API of _OilpanGCTimesBase.
   # pylint: disable=protected-access
   def testForParsing(self):