PrintPreview:[MAC] Added "Open PDF In Preview" option to open the pdf in native preview app.

chrome/browser/ui/webui/print_preview_data_source.cc

Index: chrome/browser/ui/webui/print_preview_data_source.cc
diff --git a/chrome/browser/ui/webui/print_preview_data_source.cc b/chrome/browser/ui/webui/print_preview_data_source.cc
index b3a45d6b4e575ae578e6b32c730c3f5236a39f88..5071e0dae2a8de5d4970f2cbdbc1059d02ce266c 100644
--- a/chrome/browser/ui/webui/print_preview_data_source.cc
+++ b/chrome/browser/ui/webui/print_preview_data_source.cc
@@ -56,7 +56,10 @@ PrintPreviewDataSource::PrintPreviewDataSource()
   AddLocalizedString("printing", IDS_PRINT_PREVIEW_PRINTING);
   AddLocalizedString("printingToPDFInProgress",
                      IDS_PRINT_PREVIEW_PRINTING_TO_PDF_IN_PROGRESS);
-
+#if defined(OS_MACOSX)
+  AddLocalizedString("openingPDFInPreview",
+                     IDS_PRINT_PREVIEW_OPENING_PDF_IN_PREVIEW);
+#endif
   AddLocalizedString("destinationLabel", IDS_PRINT_PREVIEW_DESTINATION_LABEL);
   AddLocalizedString("copiesLabel", IDS_PRINT_PREVIEW_COPIES_LABEL);
   AddLocalizedString("examplePageRangeText",
@@ -100,6 +103,10 @@ PrintPreviewDataSource::PrintPreviewDataSource()
   AddLocalizedString("printWithCloudPrint",
                      IDS_PRINT_PREVIEW_PRINT_WITH_CLOUD_PRINT);
 #endif
+#if defined(OS_MACOSX)
+  AddLocalizedString("openPdfInPreviewOption",
+                     IDS_PRINT_PREVIEW_OPEN_PDF_IN_PREVIEW_APP);
+#endif
   AddLocalizedString("pageRangeInstruction",
                      IDS_PRINT_PREVIEW_PAGE_RANGE_INSTRUCTION);
   AddLocalizedString("copiesInstruction", IDS_PRINT_PREVIEW_COPIES_INSTRUCTION);