Add TaskScheduler initialization arguments to ChildProcess.

content/renderer/render_process.cc

+// Copyright 2017 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.
+
+#include <utility>
+
+#include "content/renderer/render_process.h"
+
+namespace content {
+
+RenderProcess::RenderProcess(
+    const std::vector<base::SchedulerWorkerPoolParams>& worker_pool_params,
+    base::TaskScheduler::WorkerPoolIndexForTraitsCallback
+        worker_pool_index_for_traits_callback)
+    : ChildProcess(base::ThreadPriority::NORMAL,
+                   worker_pool_params,
+                   std::move(worker_pool_index_for_traits_callback)) {}
+
+}  // namespace content