Print Preview: Change print to cr.sendWithPromise

chrome/browser/ui/webui/print_preview/print_preview_ui.cc

Index: chrome/browser/ui/webui/print_preview/print_preview_ui.cc
diff --git a/chrome/browser/ui/webui/print_preview/print_preview_ui.cc b/chrome/browser/ui/webui/print_preview/print_preview_ui.cc
index e675add9cbe333c980d660d9cf91846c6aef1b8a..cf0bb952229f85f0d94addaf2728f30c7c9cc38f 100644
--- a/chrome/browser/ui/webui/print_preview/print_preview_ui.cc
+++ b/chrome/browser/ui/webui/print_preview/print_preview_ui.cc
@@ -5,6 +5,7 @@
 #include "chrome/browser/ui/webui/print_preview/print_preview_ui.h"
 
 #include <map>
+#include <memory>
 #include <utility>
 #include <vector>
 
@@ -621,10 +622,6 @@ void PrintPreviewUI::OnPreviewDataIsAvailable(int expected_pages_count,
                                          ui_preview_request_id);
 }
 
-void PrintPreviewUI::OnFileSelectionCancelled() {
-  web_ui()->CallJavascriptFunctionUnsafe("fileSelectionCancelled");
-}
-
 void PrintPreviewUI::OnCancelPendingPreviewRequest() {
   g_print_preview_request_id_map.Get().Set(id_, -1);
 }