Add generic text printing

chrome/utility/printing_handler.cc

Index: chrome/utility/printing_handler.cc
diff --git a/chrome/utility/printing_handler.cc b/chrome/utility/printing_handler.cc
index 83366b9a2f049d53199c29e0197c30073ff5dace..e7b24d057d05aaee778ca86f5f83539fb3f5561d 100644
--- a/chrome/utility/printing_handler.cc
+++ b/chrome/utility/printing_handler.cc
@@ -91,18 +91,22 @@ void PrintingHandler::OnRenderPDFPagesToMetafile(
   pdf_rendering_settings_ = settings;
   chrome_pdf::SetPDFUseGDIPrinting(pdf_rendering_settings_.mode ==
                                    PdfRenderSettings::Mode::GDI_TEXT);
-  int postscript_level;
+  int printing_mode;
   switch (pdf_rendering_settings_.mode) {
+    case PdfRenderSettings::Mode::TEXTONLY:
+      printing_mode = chrome_pdf::PrintingMode::TEXTONLY;
+      break;
     case PdfRenderSettings::Mode::POSTSCRIPT_LEVEL2:
-      postscript_level = 2;
+      printing_mode = chrome_pdf::PrintingMode::POSTSCRIPT2;
       break;
     case PdfRenderSettings::Mode::POSTSCRIPT_LEVEL3:
-      postscript_level = 3;
+      printing_mode = chrome_pdf::PrintingMode::POSTSCRIPT3;
       break;
     default:
-      postscript_level = 0;  // Not using postscript.
+      // Not using postscript or text only.
+      printing_mode = chrome_pdf::PrintingMode::EMF;
   }
-  chrome_pdf::SetPDFPostscriptPrintingLevel(postscript_level);
+  chrome_pdf::SetPDFUsePrintMode(printing_mode);
 
   base::File pdf_file = IPC::PlatformFileForTransitToFile(pdf_transit);
   int page_count = LoadPDF(std::move(pdf_file));