From e65606d271a097ec81c6a14b0c751fc9cc81835d Mon Sep 17 00:00:00 2001
From: Tim van der Meij <timvandermeij@gmail.com>
Date: Wed, 27 Jul 2016 15:50:46 +0200
Subject: [PATCH] Remove `previousPageNumber` from the B2G viewer

---
 extensions/b2g/viewer.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/extensions/b2g/viewer.js b/extensions/b2g/viewer.js
index e93d503b5..49a2007c7 100644
--- a/extensions/b2g/viewer.js
+++ b/extensions/b2g/viewer.js
@@ -288,11 +288,9 @@ var PDFViewerApplication = {
 
     container.addEventListener('pagechange', function (evt) {
       var page = evt.pageNumber;
-      if (evt.previousPageNumber !== page) {
-        document.getElementById('pageNumber').value = page;
-      }
       var numPages = PDFViewerApplication.pagesCount;
 
+      document.getElementById('pageNumber').value = page;
       document.getElementById('previous').disabled = (page <= 1);
       document.getElementById('next').disabled = (page >= numPages);
     }, true);