[Web Payments] Prettify the payment sheet rows in some states.

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

Index: chrome/browser/ui/views/payments/payment_request_dialog_view_ids.h
diff --git a/chrome/browser/ui/views/payments/payment_request_dialog_view_ids.h b/chrome/browser/ui/views/payments/payment_request_dialog_view_ids.h
index 89ed20da3077d6b0eb949af42764f3ba3a2b3c20..55ef6331ee864c3055f735fa4034493314506098 100644
--- a/chrome/browser/ui/views/payments/payment_request_dialog_view_ids.h
+++ b/chrome/browser/ui/views/payments/payment_request_dialog_view_ids.h
@@ -30,6 +30,13 @@ enum class DialogViewID : int {
   BACK_BUTTON,
   CVC_PROMPT_CONFIRM_BUTTON,
 
+  // The following are buttons that are displayed inline in the Payment Sheet
+  // sections when no option is selected or available.
+  PAYMENT_SHEET_CONTACT_INFO_SECTION_BUTTON,
+  PAYMENT_SHEET_PAYMENT_METHOD_SECTION_BUTTON,
+  PAYMENT_SHEET_SHIPPING_ADDRESS_SECTION_BUTTON,
+  PAYMENT_SHEET_SHIPPING_OPTION_SECTION_BUTTON,
+
   // The following are Label objects.
   ORDER_SUMMARY_TOTAL_AMOUNT_LABEL,
   ORDER_SUMMARY_LINE_ITEM_1,