[system health] Compute power and clock sync latency metrics

tools/perf/benchmarks/battor.py

 # Copyright 2016 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 telemetry.timeline import chrome_trace_category_filter
 from telemetry.web_perf import timeline_based_measurement
 import page_sets
 from telemetry import benchmark
 
@@ skipping 41 matching lines @@
 @benchmark.Disabled('android', 'win8')
 class BattOrToughVideoCases(_BattOrBenchmark):
   """Obtains media metrics for key user scenarios."""
   page_set = page_sets.ToughVideoCasesPageSet
 
   @classmethod
   def Name(cls):
     return 'battor.tough_video_cases'
 
 
-# TODO(rnephew): Add a version that scrolls.
-class BattOrSystemHealthLoadingDesktop(_BattOrBenchmark):
-  """Desktop Chrome Memory System Health Benchmark."""
-
-  def CreateStorySet(self, options):
-    return page_sets.SystemHealthStorySet(platform='desktop', case='load')
-
-  @classmethod
-  def ShouldDisable(cls, possible_browser):
-    return (
-        super(BattOrSystemHealthLoadingDesktop, cls).ShouldDisable(
-            possible_browser) or
-        possible_browser.platform.GetDeviceTypeName() != 'Desktop')
-
-  @classmethod
-  def Name(cls):
-    return 'battor.system_health_loading_desktop'
-
-
-class BattOrSystemHealthLoadingMobile(_BattOrBenchmark):
-  """Mobile Chrome Memory System Health Benchmark."""
-
-  def CreateStorySet(self, options):
-    return page_sets.SystemHealthStorySet(platform='mobile', case='load')
-
-  @classmethod
-  def ShouldDisable(cls, possible_browser):
-    if possible_browser.platform.GetDeviceTypeName() == 'Desktop':
-      return True
-    if (possible_browser.browser_type == 'reference' and
-        possible_browser.platform.GetDeviceTypeName() == 'Nexus 5X'):
-      return True
-
-    return super(BattOrSystemHealthLoadingMobile, cls).ShouldDisable(
-        possible_browser)
-
-  @classmethod
-  def Name(cls):
-    return 'battor.system_health_loading_mobile'
-
-
 class BattOrPowerCases(_BattOrBenchmark):
   page_set = page_sets.power_cases.PowerCasesPageSet
 
   @classmethod
   def Name(cls):
     return 'battor.power_cases'
 
 
 @benchmark.Disabled('all')  # crbug.com/651384.
 class BattOrPowerCasesNoChromeTrace(_BattOrBenchmark):
@@ skipping 26 matching lines @@
 @benchmark.Enabled('mac')
 class BattOrSteadyStatePages(_BattOrBenchmark):
 
   def CreateStorySet(self, options):
     # We want it to wait for 30 seconds to be comparable to legacy power tests.
     return page_sets.IdleAfterLoadingStories(wait_in_seconds=30)
 
   @classmethod
   def Name(cls):
     return 'battor.steady_state'