Delete now unused PageMeasurement class.

tools/perf/metrics/memory.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.
 
 import sys
 
 from metrics import histogram_util
 from metrics import Metric
 from telemetry.value import histogram
 from telemetry.value import scalar
@@ skipping 130 matching lines @@
         'count', self._memory_stats['ProcessCount'], important=False,
         description='Number of processes used by Chrome.'))
 
 
 def AddResultsForProcesses(results, memory_stats, chart_trace_name='final',
                            metric_trace_name=None,
                            exclude_metrics=None):
   """Adds memory stats for browser, renderer and gpu processes.
 
   Args:
-    results: A PageMeasurement results object.
+    results: A telemetry.results.PageTestResults object.
     memory_stats: System memory stats collected.
     chart_trace_name: Trace to identify memory metrics. Default is 'final'.
     metric_trace_name: Trace to identify the metric results per test page.
     exclude_metrics: List of memory metrics to exclude from results,
                      e.g. VM, WorkingSetSize, etc.
   """
   metric = 'resident_set_size'
   if sys.platform == 'win32':
     metric = 'working_set'
 
@@ skipping 61 matching lines @@
     AddResult('VMPeak', 'vm_peak_size',
               'The peak Virtual Memory Size (address space allocated) usage '
               'achieved by the * process.')
     AddResult('WorkingSetSizePeak', '%s_peak_size' % metric,
               'Peak Working Set Size.')
 
   AddResultsForProcessTypes(['Browser'], 'browser')
   AddResultsForProcessTypes(['Renderer'], 'renderer')
   AddResultsForProcessTypes(['Gpu'], 'gpu')
   AddResultsForProcessTypes(['Browser', 'Renderer', 'Gpu'], 'total')