Reference CL for the new task scheduler.

base/task_scheduler/task.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/task.h"
+
+namespace base {
+namespace internal {
+
+Task::Task() : PendingTask(tracked_objects::Location(), Closure()) {}
+
+Task::Task(const tracked_objects::Location& posted_from,
+           const Closure& task,
+           const TaskTraits& traits,
+           const TimeTicks& post_time)
+    : PendingTask(posted_from, task, TimeTicks(), false),
+      traits(traits),
+      post_time(post_time) {}
+
+Task::~Task() = default;
+
+}  // namespace internal
+}  // namespace base