|  | // 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 "base/task_scheduler/environment_config.h" | 
|  |  | 
|  | namespace base { | 
|  | namespace internal { | 
|  |  | 
|  | size_t GetEnvironmentIndexForTraits(const TaskTraits& traits) { | 
|  | const bool is_background = | 
|  | traits.priority() == base::TaskPriority::BACKGROUND; | 
|  | if (traits.may_block() || traits.with_base_sync_primitives()) | 
|  | return is_background ? BACKGROUND_BLOCKING : FOREGROUND_BLOCKING; | 
|  | return is_background ? BACKGROUND : FOREGROUND; | 
|  | } | 
|  |  | 
|  | }  // namespace internal | 
|  | }  // namespace base |