From ed697569119c8d535ac8c640e23d1c21b49cde7d Mon Sep 17 00:00:00 2001
From: Kombu <nomailthis@yahoo.com>
Date: Fri, 1 Jul 2016 05:02:28 +0800
Subject: [PATCH] fix(XHR.responseBlob): don't access XHR.responseBlob on old
 android webkit (#329)

---
 lib/common/utils.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/common/utils.ts b/lib/common/utils.ts
index be2bbb60f..f98b63826 100644
--- a/lib/common/utils.ts
+++ b/lib/common/utils.ts
@@ -260,6 +260,8 @@ export function patchClass(className) {
 
   let prop;
   for (prop in instance) {
+    // https://bugs.webkit.org/show_bug.cgi?id=44721
+    if (className === 'XMLHttpRequest' && prop === 'responseBlob') continue;
     (function (prop) {
       if (typeof instance[prop] === 'function') {
         _global[className].prototype[prop] = function () {