Add Postscript Printing

chrome/browser/printing/print_job.h

Index: chrome/browser/printing/print_job.h
diff --git a/chrome/browser/printing/print_job.h b/chrome/browser/printing/print_job.h
index 0dfca6f93ad5f8cbb37a059758fd27d042e1dfaf..2fe98eaf4ffa97a671eabdfc83a47a1cfd69e484 100644
--- a/chrome/browser/printing/print_job.h
+++ b/chrome/browser/printing/print_job.h
@@ -99,6 +99,12 @@ class PrintJob : public PrintJobWorkerOwner,
       const gfx::Size& page_size,
       const gfx::Rect& content_area,
       bool print_text_with_gdi);
+
+  void StartPdfToPostScriptConversion(
+      const scoped_refptr<base::RefCountedMemory>& bytes,
+      const gfx::Rect& content_area,
+      const gfx::Point& physical_offset,
+      bool ps_level2);
 #endif  // defined(OS_WIN)
 
  protected:
@@ -128,7 +134,7 @@ class PrintJob : public PrintJobWorkerOwner,
   void OnPdfConversionStarted(int page_count);
   void OnPdfPageConverted(int page_number,
                           float scale_factor,
-                          std::unique_ptr<MetafilePlayer> emf);
+                          std::unique_ptr<MetafilePlayer> metafile);
 #endif  // defined(OS_WIN)
 
   content::NotificationRegistrar registrar_;
@@ -156,6 +162,7 @@ class PrintJob : public PrintJobWorkerOwner,
   bool is_canceling_;
 
 #if defined(OS_WIN)
+  bool is_postscript_;

[Vitaly Buka (NO REVIEWS), 2017/01/27 00:38:49]

I don't see where this is initialized

I'd put initializer here.
bool is_postscript_ = false;

[rbpotter, 2017/01/27 16:37:21]

Acknowledged.

   class PdfConversionState;
   std::unique_ptr<PdfConversionState> pdf_conversion_state_;
   std::vector<int> pdf_page_mapping_;