Convert uses of int ms to TimeDelta in chrome/browser and net.

chrome/browser/metrics/tracking_synchronizer.cc

 // Copyright (c) 2011 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/metrics/tracking_synchronizer.h"
 
 #include "base/bind.h"
 #include "base/metrics/histogram.h"
 #include "base/process_util.h"
 #include "base/threading/thread.h"
@@ skipping 183 matching lines @@
   }
 
   int sequence_number = current_synchronizer->RegisterAndNotifyAllProcesses(
       callback_object);
 
   // Post a task that would be called after waiting for wait_time.  This acts
   // as a watchdog, to cancel the requests for non-responsive processes.
   BrowserThread::PostDelayedTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&RequestContext::Unregister, sequence_number),
-      60000);
+      base::TimeDelta::FromMinutes(1));
 }
 
 void TrackingSynchronizer::OnPendingProcesses(int sequence_number,
                                               int pending_processes,
                                               bool end) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   RequestContext* request = RequestContext::GetRequestContext(sequence_number);
   if (!request)
     return;
@@ skipping 79 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(tracking_synchronizer_ != NULL);
   return tracking_synchronizer_;
 }
 
 // static
 base::LazyInstance<RequestContext::RequestContextMap>
     RequestContext::outstanding_requests_ = LAZY_INSTANCE_INITIALIZER;
 
 }  // namespace chrome_browser_metrics