[tools/perf] Update users of action_runner to directly referencing it from tab.action_runner field

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 telemetry.page import action_runner
 from telemetry.page import page_test
 from telemetry.timeline.model import TimelineModel
 from telemetry.timeline import tracing_config
 from telemetry.value import list_of_scalar_values
 from telemetry.value import scalar
 
 
 _CR_RENDERER_MAIN = 'CrRendererMain'
 _RUN_SMOOTH_ACTIONS = 'RunSmoothAllActions'
 
@@ skipping 139 matching lines @@
       platform.tracing_controller.StopTracing()
 
 
 class OilpanGCTimesForSmoothness(_OilpanGCTimesBase):
 
   def __init__(self):
     super(OilpanGCTimesForSmoothness, self).__init__()
     self._interaction = None
 
   def DidNavigateToPage(self, page, tab):
-    runner = action_runner.ActionRunner(tab)
-    self._interaction = runner.CreateInteraction(_RUN_SMOOTH_ACTIONS)
+    self._interaction = tab.action_runner.CreateInteraction(_RUN_SMOOTH_ACTIONS)
     self._interaction.Begin()
 
   def ValidateAndMeasurePage(self, page, tab, results):
     self._interaction.End()
     super(OilpanGCTimesForSmoothness, self).ValidateAndMeasurePage(
         page, tab, results)
 
 
 class OilpanGCTimesForBlinkPerf(_OilpanGCTimesBase):
 
@@ skipping 17 matching lines @@
 
   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'])