Migrate webkit/browser/ to storage/browser/

webkit/browser/fileapi/timed_task_helper.cc

Index: webkit/browser/fileapi/timed_task_helper.cc
diff --git a/webkit/browser/fileapi/timed_task_helper.cc b/webkit/browser/fileapi/timed_task_helper.cc
deleted file mode 100644
index 4794723e451a92c1afac12477c021742b48b186f..0000000000000000000000000000000000000000
--- a/webkit/browser/fileapi/timed_task_helper.cc
+++ /dev/null
@@ -1,92 +0,0 @@
-// Copyright 2013 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 "webkit/browser/fileapi/timed_task_helper.h"
-
-#include "base/bind.h"
-#include "base/logging.h"
-#include "base/sequenced_task_runner.h"
-
-namespace storage {
-
-struct TimedTaskHelper::Tracker {
-  explicit Tracker(TimedTaskHelper* timer) : timer(timer) {}
-
-  ~Tracker() {
-    if (timer)
-      timer->tracker_ = NULL;
-  }
-
-  TimedTaskHelper* timer;
-};
-
-TimedTaskHelper::TimedTaskHelper(base::SequencedTaskRunner* task_runner)
-    : task_runner_(task_runner),
-      tracker_(NULL) {
-}
-
-TimedTaskHelper::~TimedTaskHelper() {
-  DCHECK(task_runner_->RunsTasksOnCurrentThread());
-  if (tracker_)
-    tracker_->timer = NULL;
-}
-
-bool TimedTaskHelper::IsRunning() const {
-  DCHECK(task_runner_->RunsTasksOnCurrentThread());
-  return tracker_ != NULL;
-}
-
-void TimedTaskHelper::Start(
-    const tracked_objects::Location& posted_from,
-    base::TimeDelta delay,
-    const base::Closure& user_task) {
-  posted_from_ = posted_from;
-  delay_ = delay;
-  user_task_ = user_task;
-  Reset();
-}
-
-void TimedTaskHelper::Reset() {
-  DCHECK(task_runner_->RunsTasksOnCurrentThread());
-  DCHECK(!user_task_.is_null());
-  desired_run_time_ = base::TimeTicks::Now() + delay_;
-
-  if (tracker_)
-    return;
-
-  // Initialize the tracker for the first time.
-  tracker_ = new Tracker(this);
-  PostDelayedTask(make_scoped_ptr(tracker_), delay_);
-}
-
-// static
-void TimedTaskHelper::Fired(scoped_ptr<Tracker> tracker) {
-  if (!tracker->timer)
-    return;
-  TimedTaskHelper* timer = tracker->timer;
-  timer->OnFired(tracker.Pass());
-}
-
-void TimedTaskHelper::OnFired(scoped_ptr<Tracker> tracker) {
-  DCHECK(task_runner_->RunsTasksOnCurrentThread());
-  base::TimeTicks now = base::TimeTicks::Now();
-  if (desired_run_time_ > now) {
-    PostDelayedTask(tracker.Pass(), desired_run_time_ - now);
-    return;
-  }
-  tracker.reset();
-  base::Closure task = user_task_;
-  user_task_.Reset();
-  task.Run();
-}
-
-void TimedTaskHelper::PostDelayedTask(scoped_ptr<Tracker> tracker,
-                                      base::TimeDelta delay) {
-  task_runner_->PostDelayedTask(
-      posted_from_,
-      base::Bind(&TimedTaskHelper::Fired, base::Passed(&tracker)),
-      delay);
-}
-
-}  // namespace storage