Adds an item for loaded app.

apps/shell/browser/shell_extension_system.h

Index: apps/shell/browser/shell_extension_system.h
diff --git a/apps/shell/browser/shell_extension_system.h b/apps/shell/browser/shell_extension_system.h
index f977161400d6c4d12e1fd22db19a131829fd616b..c451eddda583f1d81b20590f8a4b957f36bc54ab 100644
--- a/apps/shell/browser/shell_extension_system.h
+++ b/apps/shell/browser/shell_extension_system.h
@@ -45,6 +45,8 @@ class ShellExtensionSystem : public ExtensionSystem {
   // KeyedService implementation:
   virtual void Shutdown() OVERRIDE;
 
+  scoped_refptr<Extension> extension() { return extension_; }
+
   // ExtensionSystem implementation:
   virtual void InitForRegularProfile(bool extensions_enabled) OVERRIDE;
   virtual ExtensionService* extension_service() OVERRIDE;