Cleanup while reading code: Move GetJavaScriptMarker to be a free function instead of static functi…

tools/perf/measurements/timeline_controller.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 smooth_gesture_util
 
 from telemetry.core.backends.chrome import tracing_backend
 from telemetry.timeline.model import TimelineModel
 from telemetry.page.actions import action_runner
 from telemetry.web_perf import timeline_interaction_record as tir_module
 
@@ skipping 38 matching lines @@
     self._model = TimelineModel(timeline_data)
     self._renderer_process = self._model.GetRendererProcessFromTabId(tab.id)
     renderer_thread = self.model.GetRendererThreadFromTabId(tab.id)
 
     run_smooth_actions_record = None
     self._smooth_records = []
     for event in renderer_thread.async_slices:
       if not tir_module.IsTimelineInteractionRecord(event.name):
         continue
       r = tir_module.TimelineInteractionRecord.FromAsyncEvent(event)
-      if r.logical_name == RUN_SMOOTH_ACTIONS:
+      if r.label == RUN_SMOOTH_ACTIONS:
         assert run_smooth_actions_record is None, (
           'TimelineController cannot issue more than 1 %s record' %
           RUN_SMOOTH_ACTIONS)
         run_smooth_actions_record = r
       elif r.is_smooth:
         self._smooth_records.append(
           smooth_gesture_util.GetAdjustedInteractionIfContainGesture(
             self.model, r))
 
     # If there is no other smooth records, we make measurements on time range
@@ skipping 12 matching lines @@
   def model(self):
     return self._model
 
   @property
   def renderer_process(self):
     return self._renderer_process
 
   @property
   def smooth_records(self):
     return self._smooth_records