[Telemetry] Remove is_smooth flag.

tools/perf/measurements/oilpan_gc_times.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.
 
 import os
 
 from measurements import smoothness_controller
 from measurements import timeline_controller
 from telemetry.core.platform import tracing_category_filter
 from telemetry.core.platform import tracing_options
@@ skipping 126 matching lines @@
       tab.browser.platform.tracing_controller.Stop()
 
 
 class OilpanGCTimesForSmoothness(_OilpanGCTimesBase):
   def __init__(self):
     super(OilpanGCTimesForSmoothness, self).__init__()
     self._interaction = None
 
   def WillRunActions(self, page, tab):
     runner = action_runner.ActionRunner(tab)
-    self._interaction = runner.BeginInteraction(_RUN_SMOOTH_ACTIONS,
-                                                is_smooth=True)
+    self._interaction = runner.BeginInteraction(_RUN_SMOOTH_ACTIONS)
 
   def DidRunActions(self, page, tab):
     self._interaction.End()
     super(OilpanGCTimesForSmoothness, self).DidRunActions(page, tab)
 
 
 class OilpanGCTimesForBlinkPerf(_OilpanGCTimesBase):
   def __init__(self):
     super(OilpanGCTimesForBlinkPerf, self).__init__()
     with open(os.path.join(os.path.dirname(__file__), '..', 'benchmarks',
@@ skipping 12 matching lines @@
 class OilpanGCTimesForInternals(_OilpanGCTimesBase):
   def __init__(self):
     super(OilpanGCTimesForInternals, self).__init__()
 
   @classmethod
   def CustomizeBrowserOptions(cls, options):
     # 'expose-internals-for-testing' can be enabled on content shell.
     assert 'content-shell' in options.browser_type
     options.AppendExtraBrowserArgs(['--expose-internals-for-testing',
                                     '--js-flags=--expose-gc'])