[Telemetry] Allows concatenating multiple Disabled & Enabled decorators

tools/perf/benchmarks/gpu_times.py

 # Copyright 2015 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 telemetry import benchmark
 from telemetry.timeline import tracing_category_filter
 from telemetry.web_perf.metrics import gpu_timeline
 from telemetry.web_perf import timeline_based_measurement
 
 import page_sets
 
 TOPLEVEL_CATEGORIES = ['disabled-by-default-gpu.device',
                        'disabled-by-default-gpu.service']
 
 
 class _GPUTimes(perf_benchmark.PerfBenchmark):
   def CreateTimelineBasedMeasurementOptions(self):
     cat_string = ','.join(TOPLEVEL_CATEGORIES)
     cat_filter = tracing_category_filter.TracingCategoryFilter(cat_string)
 
     options = timeline_based_measurement.Options(overhead_level=cat_filter)
     options.SetTimelineBasedMetrics([gpu_timeline.GPUTimelineMetric()])
     return options
 
-@benchmark.Disabled  # http://crbug.com/453131, http://crbug.com/527543
+@benchmark.Disabled('all')  # http://crbug.com/453131, http://crbug.com/527543
 class GPUTimesKeyMobileSites(_GPUTimes):
   """Measures GPU timeline metric on key mobile sites."""
   page_set = page_sets.KeyMobileSitesSmoothPageSet
 
   @classmethod
   def Name(cls):
     return 'gpu_times.key_mobile_sites_smooth'
 
-@benchmark.Disabled  # http://crbug.com/453131, http://crbug.com/527543
+@benchmark.Disabled('all')  # http://crbug.com/453131, http://crbug.com/527543
 class GPUTimesGpuRasterizationKeyMobileSites(_GPUTimes):
   """Measures GPU timeline metric on key mobile sites with GPU rasterization.
   """
   page_set = page_sets.KeyMobileSitesSmoothPageSet
   def SetExtraBrowserOptions(self, options):
     silk_flags.CustomizeBrowserOptionsForGpuRasterization(options)
 
   @classmethod
   def Name(cls):
     return 'gpu_times.gpu_rasterization.key_mobile_sites_smooth'
 
-@benchmark.Disabled  # http://crbug.com/453131, http://crbug.com/517476
+@benchmark.Disabled('all')  # http://crbug.com/453131, http://crbug.com/517476
 class GPUTimesTop25Sites(_GPUTimes):
   """Measures GPU timeline metric for the top 25 sites."""
   page_set = page_sets.Top25SmoothPageSet
 
   @classmethod
   def Name(cls):
     return 'gpu_times.top_25_smooth'
 
-@benchmark.Disabled  # http://crbug.com/453131, http://crbug.com/517476
+@benchmark.Disabled('all')  # http://crbug.com/453131, http://crbug.com/517476
 class GPUTimesGpuRasterizationTop25Sites(_GPUTimes):
   """Measures GPU timeline metric for the top 25 sites with GPU rasterization.
   """
   page_set = page_sets.Top25SmoothPageSet
   def SetExtraBrowserOptions(self, options):
     silk_flags.CustomizeBrowserOptionsForGpuRasterization(options)
 
   @classmethod
   def Name(cls):
     return 'gpu_times.gpu_rasterization.top_25_smooth'