Revert 66646 - Add "open as window" menu item to NTP app menu....

chrome/browser/background_application_list_model.cc

Index: chrome/browser/background_application_list_model.cc
===================================================================
--- chrome/browser/background_application_list_model.cc	(revision 66663)
+++ chrome/browser/background_application_list_model.cc	(working copy)
@@ -239,7 +239,9 @@
     Update();
     return;
   }
-
+  ExtensionsService* service = profile_->GetExtensionsService();
+  if (!service || !service->is_ready())
+    return;
   switch (type.value) {
     case NotificationType::EXTENSION_LOADED:
       OnExtensionLoaded(Details<Extension>(details).ptr());
@@ -284,6 +286,7 @@
 // each observer.
 void BackgroundApplicationListModel::Update() {
   ExtensionsService* service = profile_->GetExtensionsService();
+  DCHECK(service->is_ready());
 
   // Discover current background applications, compare with previous list, which
   // is consistently sorted, and notify observers if they differ.