PdfMetafileSkia: start supporting more document types.

components/printing/renderer/print_web_view_helper.cc

Index: components/printing/renderer/print_web_view_helper.cc
diff --git a/components/printing/renderer/print_web_view_helper.cc b/components/printing/renderer/print_web_view_helper.cc
index 1a1fdf0762d925d6fdc24496a1eac6283ced1261..fa79d1a2714353a0a665ff0e7f4c77d78738f0ea 100644
--- a/components/printing/renderer/print_web_view_helper.cc
+++ b/components/printing/renderer/print_web_view_helper.cc
@@ -1249,7 +1249,7 @@ bool PrintWebViewHelper::RenderPreviewPage(
   std::unique_ptr<PdfMetafileSkia> draft_metafile;
   PdfMetafileSkia* initial_render_metafile = print_preview_context_.metafile();
   if (print_preview_context_.IsModifiable() && is_print_ready_metafile_sent_) {
-    draft_metafile.reset(new PdfMetafileSkia);
+    draft_metafile.reset(new PdfMetafileSkia(PDF_SKIA_DOCUMENT_TYPE));
     initial_render_metafile = draft_metafile.get();
   }
 
@@ -1264,7 +1264,8 @@ bool PrintWebViewHelper::RenderPreviewPage(
              print_preview_context_.generate_draft_pages()) {
     DCHECK(!draft_metafile.get());
     draft_metafile =
-        print_preview_context_.metafile()->GetMetafileForCurrentPage();
+        print_preview_context_.metafile()->GetMetafileForCurrentPage(
+            PDF_SKIA_DOCUMENT_TYPE);
   }
   return PreviewPageRendered(page_number, draft_metafile.get());
 }
@@ -2023,7 +2024,7 @@ bool PrintWebViewHelper::PrintPreviewContext::CreatePreviewDocument(
     return false;
   }
 
-  metafile_.reset(new PdfMetafileSkia);
+  metafile_.reset(new PdfMetafileSkia(PDF_SKIA_DOCUMENT_TYPE));
   CHECK(metafile_->Init());
 
   current_page_index_ = 0;