Prepopulating "Print To PDF" select file dialog with a suggested filename and path.

printing/print_job_constants.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 "printing/print_job_constants.h"
 
 namespace printing {
 
 // Print out color: true for color, false for grayscale.
 const char kSettingColor[] = "color";
 
 // Page orientation: true for landscape, false for portrait.
 const char kSettingLandscape[] = "landscape";
 
 // Print to PDF option: true if selected, false if not.
 const char kSettingPrintToPDF[] = "printToPDF";
 
 // Printer name.
 const char kSettingPrinterName[] = "printerName";
 
+// Print job title.
+const char kPrintJobTitle[] = "printJobTitle";
+
 }  // namespace printing