[Web Payments] Add Cancel button to all sheets

chrome/browser/ui/views/payments/payment_method_view_controller.cc

Index: chrome/browser/ui/views/payments/payment_method_view_controller.cc
diff --git a/chrome/browser/ui/views/payments/payment_method_view_controller.cc b/chrome/browser/ui/views/payments/payment_method_view_controller.cc
index 3d6e102429b6fbc927c3dcef056144748f55835d..f439fd1028e1763c7807fe6a2e8159ef83422752 100644
--- a/chrome/browser/ui/views/payments/payment_method_view_controller.cc
+++ b/chrome/browser/ui/views/payments/payment_method_view_controller.cc
@@ -37,18 +37,4 @@ std::unique_ptr<views::View> PaymentMethodViewController::CreateView() {
       std::move(content_view));
 }
 
-void PaymentMethodViewController::ButtonPressed(
-    views::Button* sender, const ui::Event& event) {
-  switch (sender->tag()) {
-    case static_cast<int>(PaymentRequestCommonTags::CLOSE_BUTTON_TAG):
-      dialog()->CloseDialog();
-      break;
-    case static_cast<int>(PaymentRequestCommonTags::BACK_BUTTON_TAG):
-      dialog()->GoBack();
-      break;
-    default:
-      NOTREACHED();
-  }
-}
-
 }  // namespace payments