Add a gpu.SwapBuffers synthetic delay to PostSubBuffer.

tools/perf/page_sets/tough_scheduling_cases.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.
 # pylint: disable=W0401,W0614
 from telemetry.page.actions.all_page_actions import *
 from telemetry.page import page as page_module
 from telemetry.page import page_set as page_set_module
 
 
 class ToughSchedulingCasesPage(page_module.PageWithDefaultRunNavigate):
@@ skipping 35 matching lines @@
   """ Why: Simulate a page with a a few graphics layers """
 
   def __init__(self, page_set):
     super(Page3, self).__init__(
       # pylint: disable=C0301
       url='file://tough_scheduling_cases/simple_text_page.html?medium_layers',
       page_set=page_set)
 
     self.synthetic_delays = {
       'cc.DrawAndSwap': {'target_duration': 0.004},
-      'gpu.SwapBuffers': {'target_duration': 0.004},
+      'gpu.PresentingFrame': {'target_duration': 0.004},
       'cc.BeginMainFrame': {'target_duration': 0.004}
     }
 
 
 class Page4(ToughSchedulingCasesPage):
 
   """ Why: Simulate a page with many graphics layers """
 
   def __init__(self, page_set):
     super(Page4, self).__init__(
       # pylint: disable=C0301
       url='file://tough_scheduling_cases/simple_text_page.html?many_layers',
       page_set=page_set)
 
     self.synthetic_delays = {
       'cc.DrawAndSwap': {'target_duration': 0.012},
-      'gpu.SwapBuffers': {'target_duration': 0.012},
+      'gpu.PresentingFrame': {'target_duration': 0.012},
       'cc.BeginMainFrame': {'target_duration': 0.012}
     }
 
 
 class Page5(ToughSchedulingCasesPage):
 
   """ Why: Simulate a page with expensive recording and rasterization """
 
   def __init__(self, page_set):
     super(Page5, self).__init__(
@@ skipping 145 matching lines @@
 
 class Page15(ToughSchedulingCasesPage):
 
   """ Why: Simulate a heavily GPU bound page """
 
   def __init__(self, page_set):
     super(Page15, self).__init__(
       url='file://tough_scheduling_cases/raf.html?gpu_bound',
       page_set=page_set)
 
-    self.synthetic_delays = {'gpu.SwapBuffers': {'target_duration': 0.1}}
+    self.synthetic_delays = {'gpu.PresentingFrame': {'target_duration': 0.1}}
 
 
 class Page16(ToughSchedulingCasesPage):
 
   """ Why: Test a requestAnimationFrame handler with a heavy first frame """
 
   def __init__(self, page_set):
     super(Page16, self).__init__(
       url='file://tough_scheduling_cases/raf.html?heavy_first_frame',
       page_set=page_set)
@@ skipping 112 matching lines @@
       'file://tough_scheduling_cases/raf_animation.html',
       self))
     # Why: Stress test for the scheduler
     self.AddPage(ToughSchedulingCasesPage(
       'file://tough_scheduling_cases/raf_touch_animation.html',
       self))
     self.AddPage(Page17(self))
     self.AddPage(Page18(self))
     self.AddPage(Page19(self))
     self.AddPage(Page20(self))