Remove //tools/profile_chrome from Chromium repo

tools/profile_chrome/chrome_startup_controller.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 os
-import re
-import time
-
-from devil.android import flag_changer
-from devil.android.perf import cache_control
-from devil.android.sdk import intent
-
-from profile_chrome import controllers
-
-class ChromeStartupTracingController(controllers.BaseController):
-  def __init__(self, device, package_info, cold, url):
-    self._device = device
-    self._package_info = package_info
-    self._cold = cold
-    self._logcat_monitor = self._device.GetLogcatMonitor()
-    self._url = url
-    self._trace_file = None
-    self._trace_finish_re = re.compile(r' Completed startup tracing to (.*)')
-    self._flag_changer = flag_changer.FlagChanger(
-      self._device, self._package_info.cmdline_file)
-
-  def __repr__(self):
-    return 'Browser Startup Trace'
-
-  def _SetupTracing(self):
-    # TODO(lizeb): Figure out how to clean up the command-line file when
-    # _TearDownTracing() is not executed in StopTracing().
-    self._flag_changer.AddFlags(['--trace-startup'])
-    self._device.ForceStop(self._package_info.package)
-    if self._cold:
-      self._device.EnableRoot()
-      cache_control.CacheControl(self._device).DropRamCaches()
-    launch_intent = None
-    if self._url == '':
-      launch_intent = intent.Intent(
-          action='android.intent.action.MAIN',
-          package=self._package_info.package,
-          activity=self._package_info.activity)
-    else:
-      launch_intent = intent.Intent(
-          package=self._package_info.package,
-          activity=self._package_info.activity,
-          data=self._url,
-          extras={'create_new_tab': True})
-    self._device.StartActivity(launch_intent, blocking=True)
-
-  def _TearDownTracing(self):
-    self._flag_changer.Restore()
-
-  def StartTracing(self, interval):
-    self._SetupTracing()
-    self._logcat_monitor.Start()
-
-  def StopTracing(self):
-    try:
-      self._trace_file = self._logcat_monitor.WaitFor(
-          self._trace_finish_re).group(1)
-    finally:
-      self._TearDownTracing()
-
-  def PullTrace(self):
-    # Wait a bit for the browser to finish writing the trace file.
-    time.sleep(3)
-    trace_file = self._trace_file.replace('/storage/emulated/0/', '/sdcard/')
-    host_file = os.path.join(os.path.curdir, os.path.basename(trace_file))
-    self._device.PullFile(trace_file, host_file)
-    return host_file