Display an app's short name in the app launcher

ui/app_list/app_list_item_model.cc

Index: ui/app_list/app_list_item_model.cc
diff --git a/ui/app_list/app_list_item_model.cc b/ui/app_list/app_list_item_model.cc
index c9aedb59be8e2163cae7483fa95937efb7f0d3df..4f1c213b5a65c6cba31583074f782fd7842413dd 100644
--- a/ui/app_list/app_list_item_model.cc
+++ b/ui/app_list/app_list_item_model.cc
@@ -32,6 +32,16 @@ void AppListItemModel::SetTitle(const std::string& title) {
   FOR_EACH_OBSERVER(AppListItemModelObserver, observers_, ItemTitleChanged());
 }
 
+void AppListItemModel::SetFullName(const std::string& full_name) {
+  if (full_name_ == full_name)
+    return;
+
+  full_name_ = full_name;
+  FOR_EACH_OBSERVER(AppListItemModelObserver,
+                    observers_,
+                    ItemFullNameChanged());
+}
+
 void AppListItemModel::SetHighlighted(bool highlighted) {
   if (highlighted_ == highlighted)
     return;