Add Postscript Printing

printing/print_settings.h

Index: printing/print_settings.h
diff --git a/printing/print_settings.h b/printing/print_settings.h
index 67ad091c180dedfde630cc2cb14ab5aa1ff35c43..8fa79afddad1ec89628bc71d6bbe09558d0c10bc 100644
--- a/printing/print_settings.h
+++ b/printing/print_settings.h
@@ -156,6 +156,12 @@ class PRINTING_EXPORT PrintSettings {
 
   void set_printer_is_xps(bool is_xps) { printer_is_xps_ = is_xps; }
   bool printer_is_xps() const { return printer_is_xps_; }
+
+  void set_printer_is_ps2(bool is_ps2) { printer_is_ps2_ = is_ps2; }
+  bool printer_is_ps2() const { return printer_is_ps2_; }
+
+  void set_printer_is_ps3(bool is_ps3) { printer_is_ps3_ = is_ps3; }
+  bool printer_is_ps3() const { return printer_is_ps3_; }
 #endif
 
   // Cookie generator. It is used to initialize PrintedDocument with its
@@ -230,6 +236,12 @@ class PRINTING_EXPORT PrintSettings {
 
   // True if the printer is an XPS printer.
   bool printer_is_xps_;
+
+  // True if the printer is an PostScript Level 2 printer.
+  bool printer_is_ps2_;
+
+  // True if the printer is an PostScript Level 3 printer.
+  bool printer_is_ps3_;
 #endif
 
   // If margin type is custom, this is what was requested.