Update use of TimeDelta in net/*.

net/base/network_config_watcher_mac.cc

 // Copyright (c) 2012 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 "net/base/network_config_watcher_mac.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 53 matching lines @@
 
 void NetworkConfigWatcherMacThread::Init() {
   // Disallow IO to make sure NetworkConfigWatcherMacThread's helper thread does
   // not perform blocking operations.
   base::ThreadRestrictions::SetIOAllowed(false);
 
   delegate_->Init();
 
   // TODO(willchan): Look to see if there's a better signal for when it's ok to
   // initialize this, rather than just delaying it by a fixed time.
-  const int kInitializationDelayMS = 1000;
+  const base::TimeDelta kInitializationDelay = base::TimeDelta::FromSeconds(1);
   message_loop()->PostDelayedTask(
       FROM_HERE,
       base::Bind(&NetworkConfigWatcherMacThread::InitNotifications,
                  weak_factory_.GetWeakPtr()),
-      kInitializationDelayMS);
+      kInitializationDelay);
 }
 
 void NetworkConfigWatcherMacThread::CleanUp() {
   if (!run_loop_source_.get())
     return;
 
   CFRunLoopRemoveSource(CFRunLoopGetCurrent(), run_loop_source_.get(),
                         kCFRunLoopCommonModes);
   run_loop_source_.reset();
 }
@@ skipping 26 matching lines @@
   // We create this notifier thread because the notification implementation
   // needs a thread with a CFRunLoop, and there's no guarantee that
   // MessageLoop::current() meets that criterion.
   base::Thread::Options thread_options(MessageLoop::TYPE_UI, 0);
   notifier_thread_->StartWithOptions(thread_options);
 }
 
 NetworkConfigWatcherMac::~NetworkConfigWatcherMac() {}
 
 }  // namespace net