From 9963f6599b9a129655862fd95d97affb65fea4d6 Mon Sep 17 00:00:00 2001
From: Nikolai Bezruk <bezruk.kolya@isells.ru>
Date: Mon, 7 Sep 2015 10:35:41 +0300
Subject: [PATCH] Update adapter.js

---
 adapter.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/adapter.js b/adapter.js
index eefe18ae7..145b919e5 100644
--- a/adapter.js
+++ b/adapter.js
@@ -231,10 +231,16 @@ if (typeof window === 'undefined' || !window.navigator) {
   webrtcUtils.log('This appears to be Chrome');
 
   webrtcDetectedBrowser = 'chrome';
+  
+  var chromeAgentMatch = navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./);
+
+   if (chromeAgentMatch && chromeAgentMatch.length && chromeAgentMatch[2]) {
+        // the detected chrome version.
+  webrtcDetectedVersion = parseInt(chromeAgentMatch[2], 10);
+   } else {
+      webrtcDetectedVersion = 1;
+   }
 
-  // the detected chrome version.
-  webrtcDetectedVersion =
-    parseInt(navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./)[2], 10);
 
   // the minimum chrome version still supported by adapter.
   webrtcMinimumVersion = 38;