Generate TaskScheduler::InitParams from components/task_scheduler_util/.

components/task_scheduler_util/renderer/initialization.h

 // 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.
 
 #ifndef COMPONENTS_TASK_SCHEDULER_UTIL_RENDERER_INITIALIZATION_H_
 #define COMPONENTS_TASK_SCHEDULER_UTIL_RENDERER_INITIALIZATION_H_
 
 #include <stddef.h>
 
+#include <memory>
 #include <vector>
 
 #include "base/task_scheduler/scheduler_worker_pool_params.h"
+#include "base/task_scheduler/task_scheduler.h"
 
 namespace base {
 class TaskTraits;
 }
 
 namespace task_scheduler_util {
 
+// Gets a TaskSchedulerInitParams object to initialize TaskScheduler in a
+// renderer based off variations specified on the command line. Returns nullptr
+// on failure.
+std::unique_ptr<base::TaskScheduler::InitParams>
+GetRendererTaskSchedulerInitParamsFromCommandLine();
+
 // Gets a vector of SchedulerWorkerPoolParams to initialize TaskScheduler in a
 // renderer based off variation params specified on the command line. Returns an
 // empty vector if variation params specified on the command line are incomplete
 // or invalid.
+//
+// Deprecated. https://crbug.com/690706
 std::vector<base::SchedulerWorkerPoolParams> GetRendererWorkerPoolParams();
 
 // Maps |traits| to the index of a renderer worker pool vector provided by
 // GetRendererWorkerPoolParams().
+//
+// Deprecated. https://crbug.com/690706
 size_t RendererWorkerPoolIndexForTraits(const base::TaskTraits& traits);
 
 }  // namespace task_scheduler_util
 
 #endif  // COMPONENTS_TASK_SCHEDULER_UTIL_RENDERER_INITIALIZATION_H_