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 1f035a999a1b76914e74e125d010d5802cc95f58..d39a4cabeca95f200e9d2a5b19a8e0d9e684b26b 100644
--- a/chrome/browser/ui/autofill/autofill_dialog_view_delegate.h
+++ b/chrome/browser/ui/autofill/autofill_dialog_view_delegate.h
@@ -146,7 +146,6 @@ class AutofillDialogViewDelegate {
                                         ServerFieldType type,
                                         const 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,
@@ -167,6 +166,9 @@ 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;