Kill --memory-metrics and on-demand Memory.Browser/RenderUsed histograms

tools/perf/measurements/memory.py

 # Copyright 2012 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 logging
 
 from telemetry.page import page_test
 
 from metrics import memory
 from metrics import power
@@ skipping 12 matching lines @@
   def DidStartBrowser(self, browser):
     self._memory_metric = memory.MemoryMetric(browser)
 
   def WillNavigateToPage(self, page, tab):
     tab.CollectGarbage()
 
   def DidNavigateToPage(self, page, tab):
     self._memory_metric.Start(page, tab)
     self._power_metric.Start(page, tab)
 
-  def CustomizeBrowserOptions(self, options):
-    memory.MemoryMetric.CustomizeBrowserOptions(options)
-    # Since this is a memory benchmark, we want to sample memory histograms at
-    # a high frequency.
-    options.AppendExtraBrowserArgs('--memory-metrics')
-
   def ValidateAndMeasurePage(self, page, tab, results):
     self._power_metric.Stop(page, tab)
     self._memory_metric.Stop(page, tab)
     self._memory_metric.AddResults(tab, results)
     self._power_metric.AddResults(tab, results)
 
   def DidRunPage(self, platform):
     # TODO(rnephew): Remove when crbug.com/553601 is solved.
     logging.info('DidRunPage for memory metric')
     self._power_metric.Close()