Remove repaint's reliance on auto issuing marker feature of smoothness_controller

tools/perf/measurements/smoothness_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.
 import sys
 
 from telemetry.core.platform import tracing_category_filter
 from telemetry.core.platform import tracing_options
 from telemetry.page import action_runner
 from telemetry.page import page_test
 from telemetry.timeline.model import TimelineModel
 from telemetry.timeline import trace_data as trace_data_module
 from telemetry.value import list_of_scalar_values
 from telemetry.value import scalar
 from telemetry.value import trace
 from telemetry.web_perf.metrics import smoothness
 from telemetry.web_perf import smooth_gesture_util
 from telemetry.web_perf import timeline_interaction_record as tir_module
 
 
 RUN_SMOOTH_ACTIONS = 'RunSmoothAllActions'
 
 
 class SmoothnessController(object):
-  def __init__(self):
+  def __init__(self, auto_issuing_marker=True):
     self._timeline_model = None
     self._trace_data = None
     self._interaction = None
     self._surface_flinger_trace_data = None
+    self._auto_issuing_marker = auto_issuing_marker
 
   def SetUp(self, page, tab):
     # FIXME: Remove webkit.console when blink.console lands in chromium and
     # the ref builds are updated. crbug.com/386847
     custom_categories = ['webkit.console', 'blink.console', 'benchmark']
     custom_categories += page.GetSyntheticDelayCategories()
     category_filter = tracing_category_filter.TracingCategoryFilter()
     for c in custom_categories:
       category_filter.AddIncludedCategory(c)
     options = tracing_options.TracingOptions()
     options.enable_chrome_trace = True
     options.enable_platform_display_trace = True
     tab.browser.platform.tracing_controller.Start(options, category_filter, 60)
 
   def Start(self, tab):
     # Start the smooth marker for all smooth actions.
     runner = action_runner.ActionRunner(tab)
-    self._interaction = runner.CreateInteraction(
-        RUN_SMOOTH_ACTIONS)
-    self._interaction.Begin()
+    if self._auto_issuing_marker:
+      self._interaction = runner.CreateInteraction(
+          RUN_SMOOTH_ACTIONS)
+      self._interaction.Begin()
 
   def Stop(self, tab):
     # End the smooth marker for  all smooth actions.
-    self._interaction.End()
+    if self._auto_issuing_marker:
+      self._interaction.End()
     self._trace_data = tab.browser.platform.tracing_controller.Stop()
     self._timeline_model = TimelineModel(self._trace_data)
 
   def AddResults(self, tab, results):
     # Add results of smoothness metric. This computes the smoothness metric for
     # the time ranges of gestures, if there is at least one, else the the time
     # ranges from the first action to the last action.
     results.AddValue(trace.TraceValue(
         results.current_page, self._trace_data))
     renderer_thread = self._timeline_model.GetRendererThreadFromTabId(
@@ skipping 31 matching lines @@
     # Create an interaction_record for this legacy measurement. Since we don't
     # wrap the results that are sent to smoothness metric, the label will
     # not be used.
     smoothness_metric = smoothness.SmoothnessMetric()
     smoothness_metric.AddResults(
         self._timeline_model, renderer_thread, smooth_records, results)
 
   def CleanUp(self, tab):
     if tab.browser.platform.tracing_controller.is_tracing_running:
       tab.browser.platform.tracing_controller.Stop()