From c966f90cddd36b460d2b08fe6a3c17b1b2dbf479 Mon Sep 17 00:00:00 2001
From: Erik Arvidsson <arv@chromium.org>
Date: Tue, 22 Jul 2014 11:29:29 -0400
Subject: [PATCH] Disable eval for Firefox OS Apps

Fixes #467
---
 src/wrappers.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/wrappers.js b/src/wrappers.js
index aa6a58d..c9db60c 100644
--- a/src/wrappers.js
+++ b/src/wrappers.js
@@ -18,6 +18,13 @@ window.ShadowDOMPolyfill = {};
       return false;
     }
 
+    // Firefox OS Apps do not allow eval. This feature detection is very hacky
+    // but even if some other platform adds support for this function this code
+    // will continue to work.
+    if (navigator.getDeviceStorage) {
+      return false;
+    }
+
     try {
       var f = new Function('return true;');
       return f();