[Payments] Add combobox support to editors.

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

Index: chrome/browser/ui/views/payments/payment_request_interactive_uitest_base.h
diff --git a/chrome/browser/ui/views/payments/payment_request_interactive_uitest_base.h b/chrome/browser/ui/views/payments/payment_request_interactive_uitest_base.h
index 373d978f7dd0301e289b3d6cb646cc7ed3c47632..b111131d61ad88b941b5956d2fe4c3ad8eb1d928 100644
--- a/chrome/browser/ui/views/payments/payment_request_interactive_uitest_base.h
+++ b/chrome/browser/ui/views/payments/payment_request_interactive_uitest_base.h
@@ -86,10 +86,14 @@ class PaymentRequestInteractiveTestBase
   // Setting the |value| in the textfield of a given |type|.
   void SetEditorTextfieldValue(const base::string16& value,
                                autofill::ServerFieldType type);
+  // Setting the |value| in the combobox of a given |type|.
+  void SetComboboxValue(const base::string16& value,
+                        autofill::ServerFieldType type);
 
-  // Whether the editor textfield for the given |type| is currently in an
-  // invalid state.
+  // Whether the editor textfield/combobox for the given |type| is currently in
+  // an invalid state.
   bool IsEditorTextfieldInvalid(autofill::ServerFieldType type);
+  bool IsEditorComboboxInvalid(autofill::ServerFieldType type);
 
   // Sets proper animation delegates and waits for animation to finish.
   void WaitForAnimation();