Moving all the incident reporting stuff to a common folder

chrome/browser/safe_browsing/delayed_callback_runner.cc

-// Copyright 2014 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 "chrome/browser/safe_browsing/delayed_callback_runner.h"
-
-#include "base/location.h"
-
-namespace safe_browsing {
-
-DelayedCallbackRunner::DelayedCallbackRunner(
-    base::TimeDelta delay,
-    const scoped_refptr<base::TaskRunner>& task_runner)
-    : task_runner_(task_runner),
-      next_callback_(callbacks_.end()),
-      timer_(FROM_HERE, delay, this, &DelayedCallbackRunner::OnTimer) {
-}
-
-DelayedCallbackRunner::~DelayedCallbackRunner() {
-}
-
-void DelayedCallbackRunner::RegisterCallback(const base::Closure& callback) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  callbacks_.push_back(callback);
-}
-
-void DelayedCallbackRunner::Start() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-
-  // Nothing to do if the runner is already running or nothing has been added.
-  if (next_callback_ != callbacks_.end() || callbacks_.empty())
-    return;
-
-  // Prime the system with the first callback.
-  next_callback_ = callbacks_.begin();
-
-  // Point the starter pistol in the air and pull the trigger.
-  timer_.Reset();
-}
-
-void DelayedCallbackRunner::OnTimer() {
-  // Run the next callback on the task runner.
-  task_runner_->PostTask(FROM_HERE, *next_callback_);
-
-  // Remove this callback and get ready for the next if there is one.
-  next_callback_ = callbacks_.erase(next_callback_);
-  if (next_callback_ != callbacks_.end())
-    timer_.Reset();
-}
-
-}  // namespace safe_browsing