Update from https://crrev.com/308996

build/android/surface_stats.py

Index: build/android/surface_stats.py
diff --git a/build/android/surface_stats.py b/build/android/surface_stats.py
deleted file mode 100755
index 911dd2e557509889c89cc0add41ede1f93c089b7..0000000000000000000000000000000000000000
--- a/build/android/surface_stats.py
+++ /dev/null
@@ -1,142 +0,0 @@
-#!/usr/bin/env python
-#
-# Copyright (c) 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.
-
-"""Command line tool for continuously printing Android graphics surface
-statistics on the console.
-"""
-
-import collections
-import optparse
-import sys
-import time
-
-from pylib.device import adb_wrapper
-from pylib.device import device_errors
-from pylib.device import device_utils
-from pylib.perf import surface_stats_collector
-from pylib.utils import run_tests_helper
-
-
-_FIELD_FORMAT = {
-  'jank_count (janks)': '%d',
-  'max_frame_delay (vsyncs)': '%d',
-  'avg_surface_fps (fps)': '%.2f',
-  'frame_lengths (vsyncs)': '%.3f',
-  'refresh_period (seconds)': '%.6f',
-}
-
-
-def _MergeResults(results, fields):
-  merged_results = collections.defaultdict(list)
-  for result in results:
-    if ((fields != ['all'] and not result.name in fields) or
-        result.value is None):
-      continue
-    name = '%s (%s)' % (result.name, result.unit)
-    if isinstance(result.value, list):
-      value = result.value
-    else:
-      value = [result.value]
-    merged_results[name] += value
-  for name, values in merged_results.iteritems():
-    merged_results[name] = sum(values) / float(len(values))
-  return merged_results
-
-
-def _GetTerminalHeight():
-  try:
-    import fcntl, termios, struct
-  except ImportError:
-    return 0, 0
-  height, _, _, _ = struct.unpack('HHHH',
-      fcntl.ioctl(0, termios.TIOCGWINSZ,
-          struct.pack('HHHH', 0, 0, 0, 0)))
-  return height
-
-
-def _PrintColumnTitles(results):
-  for name in results.keys():
-    print '%s ' % name,
-  print
-  for name in results.keys():
-    print '%s ' % ('-' * len(name)),
-  print
-
-
-def _PrintResults(results):
-  for name, value in results.iteritems():
-    value = _FIELD_FORMAT.get(name, '%s') % value
-    print value.rjust(len(name)) + ' ',
-  print
-
-
-def main(argv):
-  parser = optparse.OptionParser(usage='Usage: %prog [options]',
-                                 description=__doc__)
-  parser.add_option('-v',
-                    '--verbose',
-                    dest='verbose_count',
-                    default=0,
-                    action='count',
-                    help='Verbose level (multiple times for more)')
-  parser.add_option('--device',
-                    help='Serial number of device we should use.')
-  parser.add_option('-f',
-                    '--fields',
-                    dest='fields',
-                    default='jank_count,max_frame_delay,avg_surface_fps,'
-                        'frame_lengths',
-                    help='Comma separated list of fields to display or "all".')
-  parser.add_option('-d',
-                    '--delay',
-                    dest='delay',
-                    default=1,
-                    type='float',
-                    help='Time in seconds to sleep between updates.')
-
-  options, _ = parser.parse_args(argv)
-  run_tests_helper.SetLogLevel(options.verbose_count)
-
-  if options.device:
-    device = device_utils.DeviceUtils(options.device)
-  else:
-    devices = adb_wrapper.AdbWrapper.GetDevices()
-    if not devices:
-      raise device_errors.NoDevicesError
-    device = device_utils.DeviceUtils(devices[0])
-
-  collector = surface_stats_collector.SurfaceStatsCollector(device)
-  collector.DisableWarningAboutEmptyData()
-
-  fields = options.fields.split(',')
-  row_count = None
-
-  try:
-    collector.Start()
-    while True:
-      time.sleep(options.delay)
-      results = collector.SampleResults()
-      results = _MergeResults(results, fields)
-
-      if not results:
-        continue
-
-      terminal_height = _GetTerminalHeight()
-      if row_count is None or (terminal_height and
-          row_count >= terminal_height - 3):
-        _PrintColumnTitles(results)
-        row_count = 0
-
-      _PrintResults(results)
-      row_count += 1
-  except KeyboardInterrupt:
-    sys.exit(0)
-  finally:
-    collector.Stop()
-
-
-if __name__ == '__main__':
-  main(sys.argv)