printing::Metafile: Simplify OS_MACOSX-specific code path

components/printing/test/mock_printer.cc

Index: components/printing/test/mock_printer.cc
diff --git a/components/printing/test/mock_printer.cc b/components/printing/test/mock_printer.cc
index 1a38b7a08aa8033e1ae3bd0a71d87c07e8cb3d4e..38f5cf87a46046f3f368298f1df76d9be83d3e63 100644
--- a/components/printing/test/mock_printer.cc
+++ b/components/printing/test/mock_printer.cc
@@ -212,11 +212,7 @@ void MockPrinter::PrintPage(const PrintHostMsg_DidPrintPage_Params& params) {
   EXPECT_GT(params.data_size, 0U);
   base::SharedMemory metafile_data(params.metafile_data_handle, true);
   metafile_data.Map(params.data_size);
-#if defined(OS_MACOSX)
-  printing::PdfMetafileCg metafile;
-#else
   printing::PdfMetafileSkia metafile(printing::PDF_SKIA_DOCUMENT_TYPE);
-#endif
   metafile.InitFromData(metafile_data.memory(), params.data_size);
   printing::Image image(metafile);
   MockPrinterPage* page_data =