Revert of Adds TimeDomains to the TaskQueueManager

components/scheduler/base/real_time_domain.cc

-// Copyright 2015 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 "components/scheduler/base/real_time_domain.h"
-
-#include "base/bind.h"
-#include "components/scheduler/base/task_queue_impl.h"
-#include "components/scheduler/base/task_queue_manager_delegate.h"
-
-namespace scheduler {
-
-RealTimeDomain::RealTimeDomain(
-    TaskQueueManagerDelegate* task_queue_manager_delegate,
-    base::Closure do_work_closure)
-    : task_queue_manager_delegate_(task_queue_manager_delegate),
-      do_work_closure_(do_work_closure) {
-  DCHECK(task_queue_manager_delegate_);
-}
-
-RealTimeDomain::~RealTimeDomain() {}
-
-LazyNow RealTimeDomain::CreateLazyNow() {
-  return LazyNow(task_queue_manager_delegate_);
-}
-
-void RealTimeDomain::RequestWakeup(base::TimeDelta delay) {
-  task_queue_manager_delegate_->PostDelayedTask(FROM_HERE, do_work_closure_,
-                                                delay);
-}
-
-bool RealTimeDomain::MaybeAdvanceTime() {
-  return false;
-}
-
-void RealTimeDomain::AsValueIntoInternal(
-    base::trace_event::TracedValue* state) const {}
-
-const char* RealTimeDomain::GetName() const {
-  return "RealTimeDomain";
-}
-
-}  // namespace scheduler