Remove "Use billing for shipping" checkbox in favor of item in suggestions menu.

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 0b36b2ace84b222a6d74cb8d63422a026d2690e0..705a0d30f750a90eb61c0e2b20349ce89faf8de9 100644
--- a/chrome/browser/ui/autofill/autofill_dialog_models.h
+++ b/chrome/browser/ui/autofill/autofill_dialog_models.h
@@ -23,7 +23,8 @@ class SuggestionsMenuModelDelegate {
   virtual ~SuggestionsMenuModelDelegate();
 
   // Called when a menu item has been activated.
-  virtual void SuggestionItemSelected(const SuggestionsMenuModel& model) = 0;
+  virtual void SuggestionItemSelected(SuggestionsMenuModel* model,
+                                      size_t index) = 0;
 };
 
 // A model for the dropdowns that allow the user to select from different
@@ -67,6 +68,10 @@ class SuggestionsMenuModel : public ui::SimpleMenuModel,
   // there are no items.
   std::string GetItemKeyForCheckedItem() const;
 
+  // Sets which item is checked.
+  void SetCheckedItem(const std::string& item_key);
+  void SetCheckedIndex(size_t index);
+
   int checked_item() { return checked_item_; }
 
   // ui::SimpleMenuModel::Delegate implementation.
@@ -85,7 +90,8 @@ class SuggestionsMenuModel : public ui::SimpleMenuModel,
 
   SuggestionsMenuModelDelegate* delegate_;
 
-  // The command id (and index) of the item which is currently checked.
+  // The command id (and index) of the item which is currently checked. Only one
+  // item is checked at a time.
   int checked_item_;
 
   DISALLOW_COPY_AND_ASSIGN(SuggestionsMenuModel);