[Web Payments] Refactor sheet display to allow updating view content

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

Index: chrome/browser/ui/views/payments/shipping_option_view_controller.h
diff --git a/chrome/browser/ui/views/payments/shipping_option_view_controller.h b/chrome/browser/ui/views/payments/shipping_option_view_controller.h
index 7f0822f892a7ee57e3c0d3b1d258ba2246fda5bf..fd604d4e83323acf3dd53a2982df53337697caf9 100644
--- a/chrome/browser/ui/views/payments/shipping_option_view_controller.h
+++ b/chrome/browser/ui/views/payments/shipping_option_view_controller.h
@@ -21,11 +21,10 @@ class ShippingOptionViewController : public PaymentRequestSheetController {
                                PaymentRequestDialogView* dialog);
   ~ShippingOptionViewController() override;
 
-  // PaymentRequestSheetController:
-  std::unique_ptr<views::View> CreateView() override;
-
  private:
   // PaymentRequestSheetController:
+  base::string16 GetSheetTitle() override;
+  void FillContentView(views::View* content_view) override;
   std::unique_ptr<views::View> CreateExtraFooterView() override;
 
   PaymentRequestItemList shipping_option_list_;