Update Linux to use scoped_refptr<T>::get() rather than implicit "operator T*"

apps/shortcut_manager.cc

Index: apps/shortcut_manager.cc
diff --git a/apps/shortcut_manager.cc b/apps/shortcut_manager.cc
index 5fafdb63b6361f5a8654a0eb3ed0dd3fc8aedeba..a3629d4a0855289a4ea6b0dd523b836de3ca6044 100644
--- a/apps/shortcut_manager.cc
+++ b/apps/shortcut_manager.cc
@@ -143,9 +143,9 @@ void ShortcutManager::OnceOffCreateShortcuts() {
   const ExtensionSet* apps = extension_service->extensions();
   for (ExtensionSet::const_iterator it = apps->begin();
        it != apps->end(); ++it) {
-    if (ShouldCreateShortcutFor(*it))
+    if (ShouldCreateShortcutFor(it->get()))
       web_app::UpdateShortcutInfoAndIconForApp(
-          *(*it), profile_, base::Bind(&CreateShortcutsInApplicationsMenu));
+          *it->get(), profile_, base::Bind(&CreateShortcutsInApplicationsMenu));
   }
 }