scheduler: Add a base directory

components/BUILD.gn

 # 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("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//tools/grit/repack.gni")
 
 # Collection of all components. You wouldn't link to this, but this is rather
@@ skipping 558 matching lines @@
   }
 
   if (enable_basic_printing || enable_print_preview) {
     sources += [ "printing/test/print_web_view_helper_browsertest.cc" ]
     deps += [ "//components/printing/test:test_support" ]
   }
 }
 
 test("components_perftests") {
   sources = [
-    "scheduler/child/task_queue_manager_perftest.cc",
+    "scheduler/base/nestable_task_runner_for_test.cc",
+    "scheduler/base/nestable_task_runner_for_test.h",
+    "scheduler/base/task_queue_manager_perftest.cc",
     "visitedlink/test/visitedlink_perftest.cc",
   ]
 
   # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
   deps = [
     "//testing/gtest",
     "//testing/perf",
   ]
   if (!is_ios) {
     deps += [
       "//base",
       "//base/test:test_support_perf",
       "//content/test:test_support",
       "//components/visitedlink/browser",
     ]
   }
 }