[Payments] Add product branding to Payment Request dialog.

chrome/browser/ui/views/payments/payment_sheet_view_controller.h

Index: chrome/browser/ui/views/payments/payment_sheet_view_controller.h
diff --git a/chrome/browser/ui/views/payments/payment_sheet_view_controller.h b/chrome/browser/ui/views/payments/payment_sheet_view_controller.h
index 8dede2e5d634d2c47ccf137037355fc88a6e4cd2..1e65dd199a977b6751325a686a3aabf25c3d1c63 100644
--- a/chrome/browser/ui/views/payments/payment_sheet_view_controller.h
+++ b/chrome/browser/ui/views/payments/payment_sheet_view_controller.h
@@ -28,13 +28,14 @@ class PaymentSheetViewController : public PaymentRequestSheetController,
 
   // PaymentRequestSheetController:
   std::unique_ptr<views::View> CreateView() override;
-  std::unique_ptr<views::Button> CreatePrimaryButton() override;
 
   // PaymentRequest::Observer:
   void OnSelectedInformationChanged() override;
 
  private:
   // PaymentRequestSheetController:
+  std::unique_ptr<views::Button> CreatePrimaryButton() override;
+  std::unique_ptr<views::View> CreateExtraFooterView() override;
   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
   void UpdatePayButtonState(bool enabled);