BackgroundSync: Convert to base::BindOnce/OnceCallback/OnceClosure

content/browser/background_sync/background_sync_network_observer.cc

 // Copyright 2015 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 "content/browser/background_sync/background_sync_network_observer.h"
 
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace content {
 
 // static
 bool BackgroundSyncNetworkObserver::ignore_network_change_notifier_ = false;
 
 // static
 void BackgroundSyncNetworkObserver::SetIgnoreNetworkChangeNotifierForTests(
     bool ignore) {
   ignore_network_change_notifier_ = ignore;
 }
 
 BackgroundSyncNetworkObserver::BackgroundSyncNetworkObserver(
-    const base::Closure& network_changed_callback)
+    const base::RepeatingClosure& network_changed_callback)
     : connection_type_(net::NetworkChangeNotifier::GetConnectionType()),
       network_changed_callback_(network_changed_callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   net::NetworkChangeNotifier::AddNetworkChangeObserver(this);
 }
 
 BackgroundSyncNetworkObserver::~BackgroundSyncNetworkObserver() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
@@ skipping 46 matching lines @@
 }
 
 void BackgroundSyncNetworkObserver::NotifyNetworkChanged() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 
   base::ThreadTaskRunnerHandle::Get()->PostTask(FROM_HERE,
                                                 network_changed_callback_);
 }
 
 }  // namespace content