Remove //tools/profile_chrome from Chromium repo

tools/profile_chrome/perf_controller_unittest.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 os
-import json
-
-from profile_chrome import controllers_unittest
-from profile_chrome import perf_controller
-from profile_chrome import ui
-
-
-class PerfProfilerControllerTest(controllers_unittest.BaseControllerTest):
-  def testGetCategories(self):
-    if not perf_controller.PerfProfilerController.IsSupported():
-      return
-    categories = \
-        perf_controller.PerfProfilerController.GetCategories(self.device)
-    assert 'cycles' in ' '.join(categories)
-
-  def testTracing(self):
-    if not perf_controller.PerfProfilerController.IsSupported():
-      return
-    ui.EnableTestMode()
-    categories = ['cycles']
-    controller = perf_controller.PerfProfilerController(self.device,
-                                                        categories)
-
-    interval = 1
-    try:
-      controller.StartTracing(interval)
-    finally:
-      controller.StopTracing()
-
-    result = controller.PullTrace()
-    try:
-      with open(result) as f:
-        json.loads(f.read())
-    finally:
-      os.remove(result)