Enable pinch-zoom telemetry on Mac

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 core import perf_benchmark
 
 from benchmarks import silk_flags
 from measurements import smoothness
 import page_sets
 import page_sets.key_silk_cases
@@ skipping 232 matching lines @@
     # As the fling parameters cannot be analytically determined to not
     # overscroll, disable overscrolling explicitly. Overscroll behavior is
     # orthogonal to fling performance, and its activation is only more noise.
     options.AppendExtraBrowserArgs('--disable-overscroll-edge-effect')
 
   @classmethod
   def Name(cls):
     return 'smoothness.fling.simple_mobile_sites'
 
 
-@benchmark.Enabled('android', 'chromeos')
+@benchmark.Enabled('android', 'chromeos', 'mac')
 class SmoothnessToughPinchZoomCases(perf_benchmark.PerfBenchmark):
   """Measures rendering statistics for pinch-zooming into the tough pinch zoom
   cases.
   """
   test = smoothness.Smoothness
   page_set = page_sets.ToughPinchZoomCasesPageSet
 
   @classmethod
   def Name(cls):
     return 'smoothness.tough_pinch_zoom_cases'
@@ skipping 164 matching lines @@
 
 @benchmark.Disabled('reference')  # http://crbug.com/496684
 class SmoothnessToughWebGLAdCases(perf_benchmark.PerfBenchmark):
   """Measures rendering statistics while scrolling advertisements."""
   test = smoothness.Smoothness
   page_set = page_sets.ToughWebglAdCasesPageSet
 
   @classmethod
   def Name(cls):
     return 'smoothness.tough_webgl_ad_cases'