Add 2-lines summary to CC/Address for Wallet items.

chrome/browser/ui/autofill/autofill_dialog_models.h

Index: chrome/browser/ui/autofill/autofill_dialog_models.h
diff --git a/chrome/browser/ui/autofill/autofill_dialog_models.h b/chrome/browser/ui/autofill/autofill_dialog_models.h
index c04c8889ccc412fcc4f6b1443364cf74fc5fa793..093f795c008e3a8543773097bc78bd2470bb1dd4 100644
--- a/chrome/browser/ui/autofill/autofill_dialog_models.h
+++ b/chrome/browser/ui/autofill/autofill_dialog_models.h
@@ -47,6 +47,19 @@ class SuggestionsMenuModel : public ui::SimpleMenuModel,
                             const string16& display_label,
                             const gfx::Image& icon);
 
+  // Adds a label with a sub-label and its identifying key to the model.
+  // Keys needn't be unique.
+  void AddKeyedItemWithSublabel(const std::string& key,
+                                const string16& display_label,
+                                const string16& display_sublabel);
+
+  // As above, but also accepts an image which will be displayed alongside the
+  // text.
+  void AddKeyedItemWithSublabelAndIcon(const std::string& key,
+                                       const string16& display_label,
+                                       const string16& display_sublabel,
+                                       const gfx::Image& icon);
+
   // Resets the model to empty.
   void Reset();