Unifying NativeMetafile class interface (as much as possible) for Linux, Mac, Win

chrome/service/service_utility_process_host.cc

Index: chrome/service/service_utility_process_host.cc
diff --git a/chrome/service/service_utility_process_host.cc b/chrome/service/service_utility_process_host.cc
index a340d8d394e6b248bafe41a932550c5862bc3496..92e12276ffc17fa275b10ab86246c6a74d14f61a 100644
--- a/chrome/service/service_utility_process_host.cc
+++ b/chrome/service/service_utility_process_host.cc
@@ -212,7 +212,7 @@ void ServiceUtilityProcessHost::Client::MetafileAvailable(
     OnRenderPDFPagesToMetafileSucceeded(*metafile,
                                         highest_rendered_page_number);
     // Close it so that ScopedTempDir can delete the folder.
-    metafile->CloseEmf();
+    metafile->Close();
   }
 #endif  // defined(OS_WIN)
 }