Use pdf compositor service for printing when OOPIF is enabled

components/printing/common/print_messages.cc

Index: components/printing/common/print_messages.cc
diff --git a/components/printing/common/print_messages.cc b/components/printing/common/print_messages.cc
index de036345130c03e43e12d01236648e1c3b0b37a2..4a7c94d1cdd0f2a8e695407ecc18feacf3808594 100644
--- a/components/printing/common/print_messages.cc
+++ b/components/printing/common/print_messages.cc
@@ -61,7 +61,8 @@ PrintMsg_Print_Params::PrintMsg_Print_Params()
       display_header_footer(false),
       title(),
       url(),
-      should_print_backgrounds(false) {}
+      should_print_backgrounds(false),
+      printed_doc_type(printing::SkiaDocumentType::PDF) {}
 
 PrintMsg_Print_Params::PrintMsg_Print_Params(
     const PrintMsg_Print_Params& other) = default;
@@ -89,6 +90,7 @@ void PrintMsg_Print_Params::Reset() {
   title = base::string16();
   url = base::string16();
   should_print_backgrounds = false;
+  printed_doc_type = printing::SkiaDocumentType::PDF;
 }
 
 PrintMsg_PrintPages_Params::PrintMsg_PrintPages_Params()