Change SimpleMenuModel on OSX to support dynamic icons

app/menus/button_menu_item_model.cc

Index: app/menus/button_menu_item_model.cc
diff --git a/app/menus/button_menu_item_model.cc b/app/menus/button_menu_item_model.cc
index a7fbcde80563ae18382479b8b87b420503b332fa..3d44b1b069698f17b2eb6006eafd235d89b469c0 100644
--- a/app/menus/button_menu_item_model.cc
+++ b/app/menus/button_menu_item_model.cc
@@ -8,7 +8,7 @@
 
 namespace menus {
 
-bool ButtonMenuItemModel::Delegate::IsLabelForCommandIdDynamic(
+bool ButtonMenuItemModel::Delegate::IsItemForCommandIdDynamic(
     int command_id) const {
   return false;
 }
@@ -82,14 +82,14 @@ int ButtonMenuItemModel::GetCommandIdAt(int index) const {
   return items_[index].command_id;
 }
 
-bool ButtonMenuItemModel::IsLabelDynamicAt(int index) const {
+bool ButtonMenuItemModel::IsItemDynamicAt(int index) const {
   if (delegate_)
-    return delegate_->IsLabelForCommandIdDynamic(GetCommandIdAt(index));
+    return delegate_->IsItemForCommandIdDynamic(GetCommandIdAt(index));
   return false;
 }
 
 string16 ButtonMenuItemModel::GetLabelAt(int index) const {
-  if (IsLabelDynamicAt(index))
+  if (IsItemDynamicAt(index))
     return delegate_->GetLabelForCommandId(GetCommandIdAt(index));
   return items_[index].label;
 }