Remove //tools/profile_chrome from Chromium repo

tools/profile_chrome/chrome_controller.py

-# Copyright 2014 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 json
-import os
-import re
-import time
-
-from profile_chrome import controllers
-
-from devil.android import device_errors
-from devil.android.sdk import intent
-
-
-_HEAP_PROFILE_MMAP_PROPERTY = 'heapprof.mmap'
-
-class ChromeTracingController(controllers.BaseController):
-  def __init__(self, device, package_info,
-               categories, ring_buffer, trace_memory=False):
-    controllers.BaseController.__init__(self)
-    self._device = device
-    self._package_info = package_info
-    self._categories = categories
-    self._ring_buffer = ring_buffer
-    self._logcat_monitor = self._device.GetLogcatMonitor()
-    self._trace_file = None
-    self._trace_interval = None
-    self._trace_memory = trace_memory
-    self._is_tracing = False
-    self._trace_start_re = \
-       re.compile(r'Logging performance trace to file')
-    self._trace_finish_re = \
-       re.compile(r'Profiler finished[.] Results are in (.*)[.]')
-
-  def __repr__(self):
-    return 'chrome trace'
-
-  @staticmethod
-  def GetCategories(device, package_info):
-    with device.GetLogcatMonitor() as logmon:
-      device.BroadcastIntent(intent.Intent(
-          action='%s.GPU_PROFILER_LIST_CATEGORIES' % package_info.package))
-      try:
-        json_category_list = logmon.WaitFor(
-            re.compile(r'{"traceCategoriesList(.*)'), timeout=5).group(0)
-      except device_errors.CommandTimeoutError:
-        raise RuntimeError('Performance trace category list marker not found. '
-                           'Is the correct version of the browser running?')
-
-    record_categories = set()
-    disabled_by_default_categories = set()
-    json_data = json.loads(json_category_list)['traceCategoriesList']
-    for item in json_data:
-      for category in item.split(','):
-        if category.startswith('disabled-by-default'):
-          disabled_by_default_categories.add(category)
-        else:
-          record_categories.add(category)
-
-    return list(record_categories), list(disabled_by_default_categories)
-
-  def StartTracing(self, interval):
-    self._trace_interval = interval
-    self._logcat_monitor.Start()
-    start_extras = {'categories': ','.join(self._categories)}
-    if self._ring_buffer:
-      start_extras['continuous'] = None
-    self._device.BroadcastIntent(intent.Intent(
-        action='%s.GPU_PROFILER_START' % self._package_info.package,
-        extras=start_extras))
-
-    if self._trace_memory:
-      self._device.EnableRoot()
-      self._device.SetProp(_HEAP_PROFILE_MMAP_PROPERTY, 1)
-
-    # Chrome logs two different messages related to tracing:
-    #
-    # 1. "Logging performance trace to file"
-    # 2. "Profiler finished. Results are in [...]"
-    #
-    # The first one is printed when tracing starts and the second one indicates
-    # that the trace file is ready to be pulled.
-    try:
-      self._logcat_monitor.WaitFor(self._trace_start_re, timeout=5)
-      self._is_tracing = True
-    except device_errors.CommandTimeoutError:
-      raise RuntimeError(
-          'Trace start marker not found. Possible causes: 1) Is the correct '
-          'version of the browser running? 2) Is the browser already launched?')
-
-  def StopTracing(self):
-    if self._is_tracing:
-      self._device.BroadcastIntent(intent.Intent(
-          action='%s.GPU_PROFILER_STOP' % self._package_info.package))
-      self._trace_file = self._logcat_monitor.WaitFor(
-          self._trace_finish_re, timeout=120).group(1)
-      self._is_tracing = False
-    if self._trace_memory:
-      self._device.SetProp(_HEAP_PROFILE_MMAP_PROPERTY, 0)
-
-  def PullTrace(self):
-    # Wait a bit for the browser to finish writing the trace file.
-    time.sleep(self._trace_interval / 4 + 1)
-
-    trace_file = self._trace_file.replace('/storage/emulated/0/', '/sdcard/')
-    host_file = os.path.join(os.path.curdir, os.path.basename(trace_file))
-    try:
-      self._device.PullFile(trace_file, host_file)
-    except device_errors.AdbCommandFailedError:
-      raise RuntimeError(
-          'Cannot pull the trace file. Have you granted Storage permission to '
-          'the browser? (Android Settings -> Apps -> [the browser app] -> '
-          'Permissions -> Storage)')
-    return host_file