Call scoped_refptr<T>::get() rather than relying on implicit "operator T*"

chrome/browser/ui/toolbar/action_box_button_controller.cc

Index: chrome/browser/ui/toolbar/action_box_button_controller.cc
diff --git a/chrome/browser/ui/toolbar/action_box_button_controller.cc b/chrome/browser/ui/toolbar/action_box_button_controller.cc
index 98bd29ca2ae602de8810dc5a7749f01c76340e32..351d3a6cb7938b4be9724eb30fcc35caef9ecf96 100644
--- a/chrome/browser/ui/toolbar/action_box_button_controller.cc
+++ b/chrome/browser/ui/toolbar/action_box_button_controller.cc
@@ -87,7 +87,7 @@ scoped_ptr<ActionBoxMenuModel> ActionBoxButtonController::CreateMenuModel() {
     const ExtensionSet* extensions = extension_service->extensions();
     for (ExtensionSet::const_iterator it = extensions->begin();
          it != extensions->end(); ++it) {
-      const extensions::Extension* extension = *it;
+      const extensions::Extension* extension = it->get();
       if (ActionInfo::GetPageLauncherInfo(extension)) {
         int command_id = GetCommandIdForExtension(*extension);
         menu_model->AddExtension(*extension, command_id);