diff --git a/printing/printing_context_mac.h b/printing/printing_context_mac.h
index 0fb5c91..7fde07c7 100644
--- a/printing/printing_context_mac.h
+++ b/printing/printing_context_mac.h
@@ -30,15 +30,15 @@
                           bool has_selection,
                           bool is_scripted,
                           PrintSettingsCallback callback) override;
-  Result UseDefaultSettings() override;
+  mojom::ResultCode UseDefaultSettings() override;
   gfx::Size GetPdfPaperSizeDeviceUnits() override;
-  Result UpdatePrinterSettings(bool external_preview,
-                               bool show_system_dialog,
-                               int page_count) override;
-  Result NewDocument(const std::u16string& document_name) override;
-  Result NewPage() override;
-  Result PageDone() override;
-  Result DocumentDone() override;
+  mojom::ResultCode UpdatePrinterSettings(bool external_preview,
+                                          bool show_system_dialog,
+                                          int page_count) override;
+  mojom::ResultCode NewDocument(const std::u16string& document_name) override;
+  mojom::ResultCode NewPage() override;
+  mojom::ResultCode PageDone() override;
+  mojom::ResultCode DocumentDone() override;
   void Cancel() override;
   void ReleaseContext() override;
   printing::NativeDrawingContext context() const override;