From 80457624cc756cc042c076dc4e508201d99ced2d Mon Sep 17 00:00:00 2001
From: Daniel Freedman <dfreedm@google.com>
Date: Mon, 6 Jan 2014 16:02:35 -0800
Subject: [PATCH] Make sure a valid ShadowRoot or Document is returned from
 target.owner

Fixes #115
---
 src/boot.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/boot.js b/src/boot.js
index 54d4f949..5b2fbecf 100644
--- a/src/boot.js
+++ b/src/boot.js
@@ -68,6 +68,10 @@
       while (s.parentNode) {
         s = s.parentNode;
       }
+      // the owner element is expected to be a Document or ShadowRoot
+      if (s.nodeType != Node.DOCUMENT_NODE && s.nodeType != Node.DOCUMENT_FRAGMENT_NODE) {
+        s = document;
+      }
       return s;
     },
     findTarget: function(inEvent) {