Bug 948433 - Uplift pdf.js git commit 3eaa421c74 to prevent the page number field from having spin buttons in mozilla now that mozilla supports <input type=number>. r=bdahl

browser/extensions/pdfjs/content/web/viewer.css

@@ -951,6 +951,7 @@ html[dir='rtl'] .verticalToolbarSeparator {
 }
 
 .toolbarField.pageNumber {
+  -moz-appearance: textfield; /* hides the spinner in moz */
   min-width: 16px;
   text-align: right;
   width: 40px;