Remove //tools/profile_chrome from Chromium repo

tools/profile_chrome/ddms_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 profile_chrome import controllers
-from profile_chrome import util
-
-_DDMS_SAMPLING_FREQUENCY_US = 100
-
-
-class DdmsController(controllers.BaseController):
-  def __init__(self, device, package_info):
-    controllers.BaseController.__init__(self)
-    self._device = device
-    self._package = package_info.package
-    self._output_file = None
-    self._supports_sampling = self._SupportsSampling()
-
-  def __repr__(self):
-    return 'ddms profile'
-
-  def _SupportsSampling(self):
-    for line in self._device.RunShellCommand('am --help'):
-      if re.match(r'.*am profile start.*--sampling', line):
-        return True
-    return False
-
-  def StartTracing(self, _):
-    self._output_file = (
-        '/data/local/tmp/ddms-profile-%s' % util.GetTraceTimestamp())
-    cmd = 'am profile start '
-    if self._supports_sampling:
-      cmd += '--sampling %d ' % _DDMS_SAMPLING_FREQUENCY_US
-    cmd += '%s %s' % (self._package, self._output_file)
-    self._device.RunShellCommand(cmd)
-
-  def StopTracing(self):
-    self._device.RunShellCommand('am profile stop %s' % self._package)
-
-  def PullTrace(self):
-    if not self._output_file:
-      return None
-
-    # Wait for the trace file to get written.
-    time.sleep(1)
-
-    host_file = os.path.join(
-        os.path.curdir, os.path.basename(self._output_file))
-    self._device.PullFile(self._output_file, host_file)
-    return host_file