Add perf tests for starting Chrome with URL

tools/telemetry/telemetry/page/actions/gesture_action.py

 # Copyright 2013 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 telemetry.core.timeline.bounds as timeline_bounds
 from telemetry.page.actions import page_action
 from telemetry.page.actions import wait
 
 class GestureAction(page_action.PageAction):
   def __init__(self, attributes=None):
@@ skipping 12 matching lines @@
 
     tab.ExecuteJavaScript(
         'console.timeEnd("' + self._GetUniqueTimelineMarkerName() + '")')
 
     if self.wait_action:
       self.wait_action.RunAction(page, tab, previous_action)
 
   def RunGesture(self, page, tab, previous_action):
     raise NotImplementedError()
 
-  def CustomizeBrowserOptions(self, options):
+  def CustomizeBrowserOptionsForPageSet(self, options):
     options.AppendExtraBrowserArgs('--enable-gpu-benchmarking')
 
   def GetActiveRangeOnTimeline(self, timeline):
     action_range = super(GestureAction, self).GetActiveRangeOnTimeline(timeline)
     if action_range.is_empty:
       raise page_action.PageActionInvalidTimelineMarker(
           'Gesture action requires timeline marker to determine active range.')
 
     # The synthetic gesture controller inserts a trace marker to precisely
     # demarcate when the gesture was running. Find the trace marker that belongs
@@ skipping 11 matching lines @@
       raise page_action.PageActionInvalidTimelineMarker(
           'More than one possible synthetic gesture marker found in timeline.')
 
     active_range = timeline_bounds.Bounds.CreateFromEvent(gesture_events[0])
 
     if self.wait_action:
       active_range.AddBounds(
           self.wait_action.GetActiveRangeOnTimeline(timeline))
 
     return active_range