From c0e933682ab70293e174331b7d3355a9b91a185b Mon Sep 17 00:00:00 2001
From: Yury Delendik <ydelendik@mozilla.com>
Date: Wed, 1 Oct 2014 14:16:50 -0500
Subject: [PATCH] Disables streaming in the extension when length is undefined.

---
 extensions/firefox/content/PdfStreamConverter.jsm | 1 +
 1 file changed, 1 insertion(+)

diff --git a/extensions/firefox/content/PdfStreamConverter.jsm b/extensions/firefox/content/PdfStreamConverter.jsm
index 0c28a6b5a..99974eacc 100644
--- a/extensions/firefox/content/PdfStreamConverter.jsm
+++ b/extensions/firefox/content/PdfStreamConverter.jsm
@@ -897,6 +897,7 @@ PdfStreamConverter.prototype = {
                      (!isPDFBugEnabled ||
                       hash.toLowerCase().indexOf('disablerange=true') < 0);
       streamRequest = contentEncoding === 'identity' &&
+                      aRequest.contentLength >= 0 &&
                       !getBoolPref(PREF_PREFIX + '.disableStream', false) &&
                       (!isPDFBugEnabled ||
                        hash.toLowerCase().indexOf('disablestream=true') < 0);