Added check for behavior feature existense

chrome/browser/ui/extensions/application_launch.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/extensions/application_launch.h"
 
 #include <string>
 
 #include "apps/launcher.h"
 #include "base/macros.h"
@@ skipping 392 matching lines @@
     return NULL;
 
   extensions::TabHelper::FromWebContents(tab)->UpdateShortcutOnLoadComplete();
 
   return tab;
 }
 
 bool CanLaunchViaEvent(const extensions::Extension* extension) {
   const extensions::Feature* feature =
       extensions::FeatureProvider::GetAPIFeature("app.runtime");
-  return feature->IsAvailableToExtension(extension).is_available();
+  return feature && feature->IsAvailableToExtension(extension).is_available();
 }