Revert of [Telemetry] Disable flaky smoothness.top_25 and testRepaint

tools/perf/measurements/repaint_unittest.py

 # Copyright 2014 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.
 
 from measurements import repaint
 from telemetry import test
 from telemetry.core import wpr_modes
 from telemetry.page import page_measurement_unittest_base
 from telemetry.page import page as page_module
 # pylint: disable=W0401,W0614
@@ skipping 16 matching lines @@
 
      Runs repaint measurement on a simple page and verifies
      that all metrics were added to the results. The test is purely functional,
      i.e. it only checks if the metrics are present and non-zero.
   """
 
   def setUp(self):
     self._options = options_for_unittests.GetCopy()
     self._options.browser_options.wpr_mode = wpr_modes.WPR_OFF
 
-  @test.Disabled  # http://crbug.com/368767
   def testRepaint(self):
     ps = self.CreateEmptyPageSet()
     ps.AddPage(TestRepaintPage(ps, ps.base_dir))
     measurement = repaint.Repaint()
     results = self.RunMeasurement(measurement, ps, options=self._options)
     self.assertEquals(0, len(results.failures))
 
     frame_times = results.FindAllPageSpecificValuesNamed('frame_times')
     self.assertEquals(len(frame_times), 1)
     self.assertGreater(frame_times[0].GetRepresentativeNumber(), 0)
 
     mean_frame_time = results.FindAllPageSpecificValuesNamed('mean_frame_time')
     self.assertEquals(len(mean_frame_time), 1)
     self.assertGreater(mean_frame_time[0].GetRepresentativeNumber(), 0)
 
     jank = results.FindAllPageSpecificValuesNamed('jank')
     self.assertEquals(len(jank), 1)
     self.assertGreater(jank[0].GetRepresentativeNumber(), 0)
 
     mostly_smooth = results.FindAllPageSpecificValuesNamed('mostly_smooth')
     self.assertEquals(len(mostly_smooth), 1)
     self.assertGreaterEqual(mostly_smooth[0].GetRepresentativeNumber(), 0)
 
   @test.Disabled('android')
   def testCleanUpTrace(self):
     self.TestTracingCleanedUp(repaint.Repaint, self._options)