Turn on heap profiling for memory.desktop benchmark

tools/perf/benchmarks/memory.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.
 
 import re
 
 from core import perf_benchmark
 
 from telemetry import benchmark
 from telemetry.timeline import chrome_trace_category_filter
@@ skipping 44 matching lines @@
 @benchmark.Enabled('win')
 @benchmark.Owner(emails=['erikchen@chromium.org'])
 class MemoryBenchmarkTrivialSitesDesktop(_MemoryInfra):
   """Measure memory usage on trivial sites."""
   options = {'pageset_repeat': 5}
 
   def CreateStorySet(self, options):
     return page_sets.TrivialSitesStorySet(wait_in_seconds=0,
                                           measure_memory=True)
 
+  def SetExtraBrowserOptions(self, options):
+    super(MemoryBenchmarkTrivialSitesDesktop, self).SetExtraBrowserOptions(
+          options)
+    options.AppendExtraBrowserArgs([
+      '--enable-heap-profiling=native',
+    ])
+
   @classmethod
   def Name(cls):
     return 'memory.desktop'
 
   @classmethod
   def ShouldTearDownStateAfterEachStoryRun(cls):
     return True
 
   @classmethod
   def ValueCanBeAddedPredicate(cls, value, is_first_result):
@@ skipping 166 matching lines @@
   of long running idle Gmail page """
   page_set = page_sets.LongRunningIdleGmailBackgroundPageSet
 
   @classmethod
   def Name(cls):
     return 'memory.long_running_idle_gmail_background_tbmv2'
 
   @classmethod
   def ShouldDisable(cls, possible_browser):  # http://crbug.com/616530
     return cls.IsSvelte(possible_browser)