cc: Remove cc:RasterRequiredForActivation synthetic delays.

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.
 from telemetry.page import page as page_module
 from telemetry.page import page_set as page_set_module
 
 
 class ToughSchedulingCasesPage(page_module.Page):
 
   def __init__(self, url, page_set):
@@ skipping 364 matching lines @@
     super(ToughSchedulingCasesPageSet, self).__init__()
 
     # Why: Simple scrolling baseline
     self.AddPage(ToughSchedulingCasesPage(
       'file://tough_scheduling_cases/simple_text_page.html',
       self))
     self.AddPage(Page1(self))
     self.AddPage(Page2(self))
     self.AddPage(Page3(self))
     self.AddPage(Page4(self))
-    self.AddPage(Page5(self))
-    # self.AddPage(Page6(self)) Flaky crbug.com/368532
+    # Disabled until crbug.com/413829 is fixed.
+    # self.AddPage(Page5(self))
+    # Disabled because of crbug.com/413829 and flakiness crbug.com/368532
+    # self.AddPage(Page6(self))
     # Why: Touch handler scrolling baseline
     self.AddPage(ToughSchedulingCasesPage(
       'file://tough_scheduling_cases/touch_handler_scrolling.html',
       self))
     self.AddPage(Page7(self))
     self.AddPage(Page8(self))
     self.AddPage(Page9(self))
     self.AddPage(Page10(self))
     self.AddPage(Page11(self))
     self.AddPage(Page12(self))
     # Why: requestAnimationFrame scrolling baseline
     self.AddPage(ToughSchedulingCasesPage(
       'file://tough_scheduling_cases/raf.html',
       self))
     # Why: Test canvas blocking behavior
     self.AddPage(ToughSchedulingCasesPage(
       'file://tough_scheduling_cases/raf_canvas.html',
       self))
-    self.AddPage(Page13(self))
-    # Disabled for flakiness. See 368532
+    # Disabled until crbug.com/413829 is fixed.
+    # self.AddPage(Page13(self))
+    # Disabled because of crbug.com/413829 and flakiness crbug.com/368532
     # self.AddPage(Page14(self))
     self.AddPage(Page15(self))
     self.AddPage(Page16(self))
     # Why: Test a requestAnimationFrame handler with concurrent CSS animation
     self.AddPage(ToughSchedulingCasesPage(
       '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',
@@ skipping 42 matching lines @@
     # Why: Scroll bounce with slow handler on desktop, blocks only once until
     # ACK timeout.
     self.AddPage(EmptyTouchHandlerPage(
       name='bounce_desktop_slow_handler',
       desktop=True,
       slow_handler=True,
       bounce=True,
       page_set=self))
     # Why: For measuring the latency of scroll-synchronized effects.
     self.AddPage(SynchronizedScrollOffsetPage(page_set=self))