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

content/renderer/pepper/pepper_plugin_instance_impl.h

Index: content/renderer/pepper/pepper_plugin_instance_impl.h
diff --git a/content/renderer/pepper/pepper_plugin_instance_impl.h b/content/renderer/pepper/pepper_plugin_instance_impl.h
index 213c81262a0e64b0c91b9fb70f0a1ddc6e98c3c0..1ce13880c5cfdd084772016c05e7a6b5e02e9f66 100644
--- a/content/renderer/pepper/pepper_plugin_instance_impl.h
+++ b/content/renderer/pepper/pepper_plugin_instance_impl.h
@@ -648,7 +648,8 @@ class CONTENT_EXPORT PepperPluginInstanceImpl
   // Queries the plugin for supported print formats and sets |format| to the
   // best format to use. Returns false if the plugin does not support any
   // print format that we can handle (we can handle only PDF).
-  bool GetPreferredPrintOutputFormat(PP_PrintOutputFormat_Dev* format);
+  bool GetPreferredPrintOutputFormat(PP_PrintOutputFormat_Dev* format,
+                                     const blink::WebPrintParams& params);
   bool PrintPDFOutput(PP_Resource print_output,
                       printing::PdfMetafileSkia* metafile);