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

chrome/common/chrome_features.cc

Index: chrome/common/chrome_features.cc
diff --git a/chrome/common/chrome_features.cc b/chrome/common/chrome_features.cc
index 443599c4761dd4573b28dd4f230740263acc9fd0..f79801eb5ddb68d085ce4ef1149557702a6574af 100644
--- a/chrome/common/chrome_features.cc
+++ b/chrome/common/chrome_features.cc
@@ -169,6 +169,9 @@ const base::Feature kPreferHtmlOverPlugins{"PreferHtmlOverPlugins",
 
 // Enables the Print Scaling feature in print preview.
 #if BUILDFLAG(ENABLE_PRINT_PREVIEW)
+const base::Feature kPrintPdfAsImage{"PrintPdfAsImage",
+                                     base::FEATURE_DISABLED_BY_DEFAULT};
+
 const base::Feature kPrintScaling{"PrintScaling",
                                   base::FEATURE_DISABLED_BY_DEFAULT};
 #endif