|  | // 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 <vector> | 
|  |  | 
|  | #include "base/task_scheduler/scheduler_worker_pool_params.h" | 
|  |  | 
|  | namespace base { | 
|  | class TaskTraits; | 
|  | } | 
|  |  | 
|  | namespace task_scheduler_util { | 
|  |  | 
|  | // 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. | 
|  | std::vector<base::SchedulerWorkerPoolParams> GetRendererWorkerPoolParams(); | 
|  |  | 
|  | // Maps |traits| to the index of a renderer worker pool vector provided by | 
|  | // GetRendererWorkerPoolParams(). | 
|  | size_t RendererWorkerPoolIndexForTraits(const base::TaskTraits& traits); | 
|  |  | 
|  | }  // namespace task_scheduler_util | 
|  |  | 
|  | #endif  // COMPONENTS_TASK_SCHEDULER_UTIL_RENDERER_INITIALIZATION_H_ |