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

chrome/browser/autocomplete/extension_app_provider.cc

Index: chrome/browser/autocomplete/extension_app_provider.cc
diff --git a/chrome/browser/autocomplete/extension_app_provider.cc b/chrome/browser/autocomplete/extension_app_provider.cc
index a004ed9dee8ec7b929c34884b1de54cff9db1b63..be923c8588417593737c7205ed77284fd2bc90bd 100644
--- a/chrome/browser/autocomplete/extension_app_provider.cc
+++ b/chrome/browser/autocomplete/extension_app_provider.cc
@@ -155,7 +155,7 @@ void ExtensionAppProvider::RefreshAppList() {
   extension_apps_.clear();
   for (ExtensionSet::const_iterator iter = extensions->begin();
        iter != extensions->end(); ++iter) {
-    const extensions::Extension* app = *iter;
+    const extensions::Extension* app = iter->get();
     if (!app->ShouldDisplayInAppLauncher())
       continue;
     // Note: Apps that appear in the NTP only are not added here since this