Print Preview: Add option to rasterize PDFs and add JPEG compression.

printing/print_job_constants.h

 // Copyright (c) 2012 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.
 
 #ifndef PRINTING_PRINT_JOB_CONSTANTS_H_
 #define PRINTING_PRINT_JOB_CONSTANTS_H_
 
 #include "build/build_config.h"
 #include "printing/features/features.h"
 #include "printing/printing_export.h"
@@ skipping 47 matching lines @@
 PRINTING_EXPORT extern const char kSettingPrintToPDF[];
 PRINTING_EXPORT extern const char kSettingPrintWithPrivet[];
 PRINTING_EXPORT extern const char kSettingPrintWithExtension[];
 PRINTING_EXPORT extern const char kSettingPrintableAreaHeight[];
 PRINTING_EXPORT extern const char kSettingPrintableAreaWidth[];
 PRINTING_EXPORT extern const char kSettingPrintableAreaX[];
 PRINTING_EXPORT extern const char kSettingPrintableAreaY[];
 PRINTING_EXPORT extern const char kSettingPrinterDescription[];
 PRINTING_EXPORT extern const char kSettingPrinterName[];
 PRINTING_EXPORT extern const char kSettingPrinterOptions[];
+PRINTING_EXPORT extern const char kSettingRasterizePdf[];
 PRINTING_EXPORT extern const char kSettingScaleFactor[];
 PRINTING_EXPORT extern const char kSettingTicket[];
 PRINTING_EXPORT extern const char kSettingShouldPrintBackgrounds[];
 PRINTING_EXPORT extern const char kSettingShouldPrintSelectionOnly[];
 #if BUILDFLAG(ENABLE_BASIC_PRINTING)
 PRINTING_EXPORT extern const char kSettingShowSystemDialog[];
 #endif
 
 PRINTING_EXPORT extern const int FIRST_PAGE_INDEX;
 PRINTING_EXPORT extern const int COMPLETE_PREVIEW_DOCUMENT_INDEX;
@@ skipping 69 matching lines @@
   DEFAULT_MARGINS,  // Default varies depending on headers being enabled or not
   NO_MARGINS,
   PRINTABLE_AREA_MARGINS,
   CUSTOM_MARGINS,
   MARGIN_TYPE_LAST = CUSTOM_MARGINS
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_PRINT_JOB_CONSTANTS_H_