[Experimental] Supporting OOPIF printing

components/printing/renderer/print_web_view_helper_mac.mm

Index: components/printing/renderer/print_web_view_helper_mac.mm
diff --git a/components/printing/renderer/print_web_view_helper_mac.mm b/components/printing/renderer/print_web_view_helper_mac.mm
index ff49472ba68692cdf09cb4f50de461e94b8c8540..087d79f3ea1b85c20239ab7dffb8e1040f2b851e 100644
--- a/components/printing/renderer/print_web_view_helper_mac.mm
+++ b/components/printing/renderer/print_web_view_helper_mac.mm
@@ -53,15 +53,13 @@ void PrintWebViewHelper::PrintPageInternal(
   metafile.FinishDocument();
 
   PrintHostMsg_DidPrintPage_Params page_params;
-  page_params.data_size = metafile.GetDataSize();
   page_params.page_number = page_number;
   page_params.document_cookie = params.params.document_cookie;
   page_params.page_size = page_size_in_dpi;
   page_params.content_area = content_area_in_dpi;
 
   // Ask the browser to create the shared memory for us.
-  if (!CopyMetafileDataToSharedMem(metafile,
-                                   &(page_params.metafile_data_handle))) {
+  if (!CopyMetafileDataToSharedMem(metafile, &page_params)) {
     // TODO(thestig): Fail and return false instead.
     page_params.data_size = 0;
   }