From cf3ff07f92736476d15d1ed7f5fc04274d2a8b77 Mon Sep 17 00:00:00 2001
From: Tim Yung <yungsters@fb.com>
Date: Mon, 22 Jul 2013 18:28:30 -0700
Subject: [PATCH] Fix TypeError in SyntheticEvent

I suspect that plugins are modifying `Object.prototype` which is causing TypeErrors in `SyntheticEvent`. Let's fix it.
---
 src/event/synthetic/SyntheticEvent.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/event/synthetic/SyntheticEvent.js b/src/event/synthetic/SyntheticEvent.js
index 2370528851..efd849edc4 100644
--- a/src/event/synthetic/SyntheticEvent.js
+++ b/src/event/synthetic/SyntheticEvent.js
@@ -68,6 +68,9 @@ function SyntheticEvent(dispatchConfig, dispatchMarker, nativeEvent) {
 
   var Interface = this.constructor.Interface;
   for (var propName in Interface) {
+    if (!Interface.hasOwnProperty(propName)) {
+      continue;
+    }
     var normalize = Interface[propName];
     if (normalize) {
       this[propName] = normalize(nativeEvent);