Reverting 27379.

chrome/browser/printing/print_job_worker.h

 // Copyright (c) 2006-2008 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_WORKER_H__
 #define CHROME_BROWSER_PRINTING_PRINT_JOB_WORKER_H__
 
 #include "base/task.h"
 #include "base/thread.h"
 #include "printing/page_number.h"
@@ skipping 80 matching lines @@
   // Current page number to print.
   PageNumber page_number_;
 
   DISALLOW_EVIL_CONSTRUCTORS(PrintJobWorker);
 };
 
 }  // namespace printing
 
 template <>
 struct RunnableMethodTraits<printing::PrintJobWorker> {
+  RunnableMethodTraits();
   void RetainCallee(printing::PrintJobWorker* obj);
   void ReleaseCallee(printing::PrintJobWorker* obj);
  private:
   scoped_refptr<printing::PrintJobWorkerOwner> owner_;
 };
 
 #endif  // CHROME_BROWSER_PRINTING_PRINT_JOB_WORKER_H__