Rename SchedulerWorkerThread* to SchedulerWorker*

base/task_scheduler/scheduler_worker_thread_stack.cc

-// 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.
-
-#include "base/task_scheduler/scheduler_worker_thread_stack.h"
-
-#include <algorithm>
-
-#include "base/logging.h"
-
-namespace base {
-namespace internal {
-
-SchedulerWorkerThreadStack::SchedulerWorkerThreadStack() = default;
-
-SchedulerWorkerThreadStack::~SchedulerWorkerThreadStack() = default;
-
-void SchedulerWorkerThreadStack::Push(SchedulerWorkerThread* worker_thread) {
-  DCHECK(std::find(stack_.begin(), stack_.end(), worker_thread) == stack_.end())
-      << "SchedulerWorkerThread already on stack";
-  stack_.push_back(worker_thread);
-}
-
-SchedulerWorkerThread* SchedulerWorkerThreadStack::Pop() {
-  if (IsEmpty())
-    return nullptr;
-  SchedulerWorkerThread* const worker_thread = stack_.back();
-  stack_.pop_back();
-  return worker_thread;
-}
-
-void SchedulerWorkerThreadStack::Remove(
-    const SchedulerWorkerThread* worker_thread) {
-  auto it = std::find(stack_.begin(), stack_.end(), worker_thread);
-  if (it != stack_.end())
-    stack_.erase(it);
-}
-
-}  // namespace internal
-}  // namespace base