Convert printing code to use base::TimeDelta in PostDelayedTask interfaces.

chrome/browser/printing/print_job_manager.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 "chrome/browser/printing/print_job_manager.h"
 
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/printing/print_job.h"
 #include "chrome/browser/printing/printer_query.h"
 #include "chrome/common/chrome_notification_types.h"
@@ skipping 32 matching lines @@
   if (current_jobs_.empty())
     return;
   {
     // Copy the array since it can be modified in transit.
     PrintJobs current_jobs(current_jobs_);
     // Wait for each job to finish.
     for (size_t i = 0; i < current_jobs.size(); ++i) {
       PrintJob* job = current_jobs[i];
       if (!job)
         continue;
-      // Wait for 120 seconds for the print job to be spooled.
+      // Wait for two minutes for the print job to be spooled.
       if (wait_for_finish)
-        job->FlushJob(120000);
+        job->FlushJob(base::TimeDelta::FromMinutes(2));
       job->Stop();
     }
   }
   current_jobs_.clear();
 }
 
 void PrintJobManager::QueuePrinterQuery(PrinterQuery* job) {
   base::AutoLock lock(lock_);
   DCHECK(job);
   queued_queries_.push_back(make_scoped_refptr(job));
@@ skipping 90 matching lines @@
       break;
     }
   }
 }
 
 bool PrintJobManager::printing_enabled() const {
   return *printing_enabled_;
 }
 
 }  // namespace printing