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

chrome/browser/sync/notifier/base/network_status_detector_task.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/network_status_detector_task.h"
-
-namespace notifier {
-
-void NetworkStatusDetectorTask::DetectNetworkState() {
-  // If the detection has been finished, then just broadcast the current state.
-  // Otherwise, allow the signal to be sent when the initial detection is
-  // finished.
-  if (initial_detection_done_) {
-    SignalNetworkStateDetected(is_alive_, is_alive_);
-  }
-}
-
-void NetworkStatusDetectorTask::SetNetworkAlive(bool is_alive) {
-  bool was_alive = is_alive_;
-  is_alive_ = is_alive;
-
-  if (!initial_detection_done_ || was_alive != is_alive_) {
-    initial_detection_done_ = true;
-
-    // Tell everyone about the network state change.
-    SignalNetworkStateDetected(was_alive, is_alive_);
-  }
-}
-
-}  // namespace notifier