Add generic text printing

chrome/browser/printing/pdf_to_emf_converter.cc

 // Copyright 2014 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 "chrome/browser/printing/pdf_to_emf_converter.h"
 
 #include <stdint.h>
 #include <windows.h>
 
 #include <memory>
@@ skipping 210 matching lines @@
   GetPageCallbacks get_page_callbacks_;
 
   DISALLOW_COPY_AND_ASSIGN(PdfConverterUtilityProcessHostClient);
 };
 
 std::unique_ptr<MetafilePlayer>
 PdfConverterUtilityProcessHostClient::GetFileFromTemp(
   std::unique_ptr<base::File, content::BrowserThread::DeleteOnFileThread>
       temp_file) {
   if (settings_.mode == PdfRenderSettings::Mode::POSTSCRIPT_LEVEL2 ||
-      settings_.mode == PdfRenderSettings::Mode::POSTSCRIPT_LEVEL3) {
+      settings_.mode == PdfRenderSettings::Mode::POSTSCRIPT_LEVEL3 ||
+      settings_.mode == PdfRenderSettings::Mode::TEXTONLY) {
     return base::MakeUnique<PostScriptMetaFile>(temp_dir_,
                                                 std::move(temp_file));
   }
   return base::MakeUnique<LazyEmf>(temp_dir_, std::move(temp_file));
 }
 
 class PdfConverterImpl : public PdfConverter {
  public:
   PdfConverterImpl();
 
@@ skipping 393 matching lines @@
   std::unique_ptr<PdfConverterImpl> converter =
       base::MakeUnique<PdfConverterImpl>();
   converter->Start(
       new PdfConverterUtilityProcessHostClient(converter->GetWeakPtr(),
                                                conversion_settings),
           data, start_callback);
   return std::move(converter);
 }
 
 }  // namespace printing