Ask libaddressinput for address components to use in requestAutocomplete().

chrome/browser/ui/autofill/autofill_dialog_view_delegate.h

Index: chrome/browser/ui/autofill/autofill_dialog_view_delegate.h
diff --git a/chrome/browser/ui/autofill/autofill_dialog_view_delegate.h b/chrome/browser/ui/autofill/autofill_dialog_view_delegate.h
index 24a31e64e0416a6b1aa70083e56b5a8542fa797e..ed3b86092ca7b8561133ddb5da587b03e0c2436d 100644
--- a/chrome/browser/ui/autofill/autofill_dialog_view_delegate.h
+++ b/chrome/browser/ui/autofill/autofill_dialog_view_delegate.h
@@ -149,7 +149,6 @@ class AutofillDialogViewDelegate {
                                         ServerFieldType type,
                                         const base::string16& value) = 0;
 
-
   // Decides whether the combination of all |inputs| is valid, returns a
   // map of field types to validity messages.
   virtual ValidityMessages InputsAreValid(DialogSection section,
@@ -170,6 +169,9 @@ class AutofillDialogViewDelegate {
   virtual bool HandleKeyPressEventInInput(
       const content::NativeWebKeyboardEvent& event) = 0;
 
+  // Called when a user selects an item in a combobox.
+  virtual void ComboboxItemSelected(ServerFieldType type, int index) = 0;
+
   // Called when focus has changed position within the view.
   virtual void FocusMoved() = 0;