Adding tests for diagonal scrolling in telemetry.

tools/perf/benchmarks/smoothness.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.
 
 from telemetry import benchmark
 
 from benchmarks import silk_flags
 from benchmarks import webgl_expectations
 from measurements import smoothness
 import page_sets
@@ skipping 198 matching lines @@
   cases.
   """
   test = smoothness.Smoothness
   page_set = page_sets.ToughPinchZoomCasesPageSet
 
   @classmethod
   def Name(cls):
     return 'smoothness.tough_pinch_zoom_cases'
 
 
+@benchmark.Enabled('chromeos')
+class SmoothnessToughScrollingWhileZoomedInCases(benchmark.Benchmark):
+  """Measures rendering statistics for pinch-zooming then diagonal scrolling"""
+  test = smoothness.Smoothness
+  page_set = page_sets.ToughScrollingWhileZoomedInCasesPageSet
+
+  @classmethod
+  def Name(cls):
+    return 'smoothness.tough_scrolling_while_zoomed_in_cases'
+
+
 @benchmark.Enabled('android')
 class SmoothnessPolymer(benchmark.Benchmark):
   """Measures rendering statistics for Polymer cases.
   """
   test = smoothness.Smoothness
   page_set = page_sets.PolymerPageSet
 
   @classmethod
   def Name(cls):
     return 'smoothness.polymer'
@@ skipping 76 matching lines @@
   tag = 'sync_scroll'
   test = smoothness.Smoothness
   page_set = page_sets.PathologicalMobileSitesPageSet
 
   def CustomizeBrowserOptions(self, options):
     silk_flags.CustomizeBrowserOptionsForSyncScrolling(options)
 
   @classmethod
   def Name(cls):
     return 'smoothness.sync_scroll.pathological_mobile_sites'