Merge 171447

chrome/browser/printing/print_job_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_PRINTING_PRINT_JOB_MANAGER_H_
 #define CHROME_BROWSER_PRINTING_PRINT_JOB_MANAGER_H_
 
+#include <set>
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/synchronization/lock.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "printing/print_destination_interface.h"
 
 namespace printing {
 
@@ skipping 27 matching lines @@
 
   // content::NotificationObserver
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // May return NULL when no destination was set.
   PrintDestinationInterface* destination() const { return destination_.get(); }
 
  private:
-  typedef std::vector<scoped_refptr<PrintJob> > PrintJobs;
+  typedef std::set<scoped_refptr<PrintJob> > PrintJobs;
   typedef std::vector<scoped_refptr<PrinterQuery> > PrinterQueries;
 
   // Processes a NOTIFY_PRINT_JOB_EVENT notification.
   void OnPrintJobEvent(PrintJob* print_job,
                        const JobEventDetails& event_details);
 
   content::NotificationRegistrar registrar_;
 
   // Used to serialize access to queued_workers_.
   base::Lock lock_;
 
   PrinterQueries queued_queries_;
 
   scoped_refptr<PrintDestinationInterface> destination_;
 
   // Current print jobs that are active.
   PrintJobs current_jobs_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintJobManager);
 };
 
 }  // namespace printing
 
 #endif  // CHROME_BROWSER_PRINTING_PRINT_JOB_MANAGER_H_