Remove deprecated methods related to tracing in browser.py.

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 measurements import smooth_gesture_util
+from telemetry.core.platform import tracing_category_filter
+from telemetry.core.platform import tracing_options
 from telemetry.timeline.model import TimelineModel
 from telemetry.page import page_test
 from telemetry.page.actions import action_runner
 from telemetry.value import list_of_scalar_values
 from telemetry.value import scalar
 from telemetry.web_perf import timeline_interaction_record as tir_module
 from telemetry.web_perf.metrics import smoothness
 
 
 RUN_SMOOTH_ACTIONS = 'RunSmoothAllActions'
@@ skipping 14 matching lines @@
   def __init__(self):
     self._timeline_model = None
     self._tracing_timeline_data = None
     self._interaction = None
 
   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()
-    tab.browser.StartTracing(','.join(custom_categories), 60)
+    category_filter = tracing_category_filter.TracingCategoryFilter()
+    for c in custom_categories:
+      category_filter.AddIncludedCategory(c)
+    options = tracing_options.TracingOptions()
+    options.enable_chrome_trace = True
+    tab.browser.platform.tracing_controller.Start(options, category_filter, 60)
     if tab.browser.platform.IsRawDisplayFrameRateSupported():
       tab.browser.platform.StartRawDisplayFrameRateMeasurement()
 
   def Start(self, tab):
     # Start the smooth marker for all smooth actions.
     runner = action_runner.ActionRunner(tab)
     self._interaction = runner.BeginInteraction(
         RUN_SMOOTH_ACTIONS, is_smooth=True)
 
   def Stop(self, tab):
     # End the smooth marker for all smooth actions.
     self._interaction.End()
     # Stop tracing for smoothness metric.
     if tab.browser.platform.IsRawDisplayFrameRateSupported():
       tab.browser.platform.StopRawDisplayFrameRateMeasurement()
-    self._tracing_timeline_data = tab.browser.StopTracing()
+    self._tracing_timeline_data = tab.browser.platform.tracing_controller.Stop()
     self._timeline_model = TimelineModel(
       timeline_data=self._tracing_timeline_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.
 
     renderer_thread = self._timeline_model.GetRendererThreadFromTabId(
         tab.id)
@@ skipping 42 matching lines @@
               results.current_page, r.name, r.unit, r.value,
               description=DESCRIPTIONS.get(r.name)))
         else:
           results.AddValue(scalar.ScalarValue(
               results.current_page, r.name, r.unit, r.value,
               description=DESCRIPTIONS.get(r.name)))
 
   def CleanUp(self, tab):
     if tab.browser.platform.IsRawDisplayFrameRateSupported():
       tab.browser.platform.StopRawDisplayFrameRateMeasurement()
-    if tab.browser.is_tracing_running:
-      tab.browser.StopTracing()
+    if tab.browser.platform.tracing_controller.is_tracing_running:
+      tab.browser.platform.tracing_controller.Stop()