Split browser-specific and generic code in components/task_scheduler_util/.

components/task_scheduler_util/initialization/browser_util.h

 // Copyright 2016 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.
 
+// TODO(fdoray): Remove this file once TaskScheduler initialization in the
+// browser process uses the components/task_scheduler_util/browser/ API on all
+// platforms.
+
 #ifndef COMPONENTS_TASK_SCHEDULER_UTIL_INITIALIZATION_BROWSER_UTIL_H_
 #define COMPONENTS_TASK_SCHEDULER_UTIL_INITIALIZATION_BROWSER_UTIL_H_
 
 #include <vector>
 
-#include "base/task_scheduler/scheduler_worker_pool_params.h"
-#include "base/time/time.h"
 #include "build/build_config.h"
 
 namespace base {
+class SchedulerWorkerPoolParams;
 class TaskTraits;
 }
 
 namespace task_scheduler_util {
 namespace initialization {
 
-enum WorkerPoolType : size_t {
-  BACKGROUND = 0,
-  BACKGROUND_FILE_IO,
-  FOREGROUND,
-  FOREGROUND_FILE_IO,
-  WORKER_POOL_COUNT  // Always last.
-};
-
-struct SingleWorkerPoolConfiguration {
-  base::SchedulerWorkerPoolParams::StandbyThreadPolicy standby_thread_policy;
-  int threads = 0;
-  base::TimeDelta detach_period;
-};
-
-struct BrowserWorkerPoolsConfiguration {
-  SingleWorkerPoolConfiguration background;
-  SingleWorkerPoolConfiguration background_file_io;
-  SingleWorkerPoolConfiguration foreground;
-  SingleWorkerPoolConfiguration foreground_file_io;
-};
-
-// Converts a BrowserWorkerPoolsConfiguration to a vector of
-// base::SchedulerWorkerPoolParams for consumption by task scheduler
-// initialization.
-std::vector<base::SchedulerWorkerPoolParams>
-BrowserWorkerPoolConfigurationToSchedulerWorkerPoolParams(
-    const BrowserWorkerPoolsConfiguration& config);
-
 // Maps |traits| to the index of a browser worker pool vector provided by
 // BrowserWorkerPoolConfigurationToSchedulerWorkerPoolParams() or
 // GetDefaultBrowserSchedulerWorkerPoolParams().
 size_t BrowserWorkerPoolIndexForTraits(const base::TaskTraits& traits);
 
 #if defined(OS_IOS)
 // Returns the default browser scheduler worker pool params.
 std::vector<base::SchedulerWorkerPoolParams>
 GetDefaultBrowserSchedulerWorkerPoolParams();
 #endif  // defined(OS_IOS)
 
 }  // namespace initialization
 }  // namespace task_scheduler_util
 
 #endif  // COMPONENTS_TASK_SCHEDULER_UTIL_INITIALIZATION_BROWSER_UTIL_H_