Print Preview: change getPreview to cr.sendWithPromise

chrome/browser/printing/print_preview_message_handler.h

Index: chrome/browser/printing/print_preview_message_handler.h
diff --git a/chrome/browser/printing/print_preview_message_handler.h b/chrome/browser/printing/print_preview_message_handler.h
index ba7102008ba757b99ccff509e0f5e00690d97321..6f3dcd9d6fb5bb45126014efa4100ca6dba924d7 100644
--- a/chrome/browser/printing/print_preview_message_handler.h
+++ b/chrome/browser/printing/print_preview_message_handler.h
@@ -64,9 +64,9 @@ class PrintPreviewMessageHandler
   void OnDidPreviewPage(const PrintHostMsg_DidPreviewPage_Params& params);
   void OnMetafileReadyForPrinting(
       const PrintHostMsg_DidPreviewDocument_Params& params);
-  void OnPrintPreviewFailed(int document_cookie);
+  void OnPrintPreviewFailed(int document_cookie, int request_id);
   void OnPrintPreviewCancelled(int document_cookie);
-  void OnInvalidPrinterSettings(int document_cookie);
+  void OnInvalidPrinterSettings(int document_cookie, int request_id);
   void OnSetOptionsFromDocument(
       const PrintHostMsg_SetOptionsFromDocument_Params& params);