(reland) Adds TimeDomains to the TaskQueueManager

components/scheduler/base/lazy_now.cc

Index: components/scheduler/base/lazy_now.cc
diff --git a/components/scheduler/base/lazy_now.cc b/components/scheduler/base/lazy_now.cc
deleted file mode 100644
index c80dd472440daed23fc2b274cb11fc0859398edf..0000000000000000000000000000000000000000
--- a/components/scheduler/base/lazy_now.cc
+++ /dev/null
@@ -1,20 +0,0 @@
-// 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/lazy_now.h"
-
-#include "base/time/tick_clock.h"
-#include "components/scheduler/base/task_queue_manager.h"
-
-namespace scheduler {
-namespace internal {
-
-base::TimeTicks LazyNow::Now() {
-  if (now_.is_null())
-    now_ = tick_clock_->NowTicks();
-  return now_;
-}
-
-}  // namespace internal
-}  // namespace scheduler