Cancel prerenders for pages that call window.print()

chrome/browser/printing/print_job_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_PRINTING_PRINT_JOB_MANAGER_H_
 #define CHROME_BROWSER_PRINTING_PRINT_JOB_MANAGER_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 27 matching lines @@
 
   // Stops all printing jobs. If wait_for_finish is true, tries to give jobs
   // a chance to complete before stopping them.
   void StopJobs(bool wait_for_finish);
 
   // Queues a semi-initialized worker thread. Can be called from any thread.
   // Current use case is queuing from the I/O thread.
   // TODO(maruel):  Have them vanish after a timeout (~5 minutes?)
   void QueuePrinterQuery(PrinterQuery* job);
 
+  // Pops a queued PrintJobWorkerOwner object and posts a task to stop the
+  // worker. Can be called from any thread.
+  void PopAndStopPrinterQuery(int document_cookie);
+
   // Pops a queued PrintJobWorkerOwner object that was previously queued. Can be
   // called from any thread. Current use case is poping from the browser thread.
   void PopPrinterQuery(int document_cookie, scoped_refptr<PrinterQuery>* job);
 
   static void RegisterPrefs(PrefService* prefs);
 
   // NotificationObserver
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
@@ skipping 25 matching lines @@
 
   // Current print jobs that are active.
   PrintJobs current_jobs_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintJobManager);
 };
 
 }  // namespace printing
 
 #endif  // CHROME_BROWSER_PRINTING_PRINT_JOB_MANAGER_H_