Moved XMPP notifier library from chrome/browser/sync to chrome/common....

chrome/browser/sync/notifier/base/task_pump.cc

-// Copyright (c) 2009 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/sync/notifier/base/task_pump.h"
-#include "chrome/browser/sync/notifier/base/time.h"
-#include "talk/base/common.h"
-#include "talk/base/thread.h"
-
-namespace notifier {
-
-// Don't add any messages because there are cleared and thrown away.
-enum { MSG_WAKE_UP = 1, MSG_TIMED_WAKE_UP };
-
-TaskPump::TaskPump() : timeout_change_count_(0), posted_(false) {
-}
-
-void TaskPump::OnMessage(talk_base::Message* msg) {
-  posted_ = false;
-
-  // If a task timed out, ensure that it is not blocked, so it will be deleted.
-  // This may result in a WakeTasks if a task is timed out.
-  PollTasks();
-
-  // Run tasks and handle timeouts.
-  RunTasks();
-}
-
-void TaskPump::WakeTasks() {
-  if (!posted_) {
-    // Do the requested wake up.
-    talk_base::Thread::Current()->Post(this, MSG_WAKE_UP);
-    posted_ = true;
-  }
-}
-
-int64 TaskPump::CurrentTime() {
-  return GetCurrent100NSTime();
-}
-
-}  // namespace notifier