From 9ff3c6f99dc1c2debcd99158e09f7a1c3cab7065 Mon Sep 17 00:00:00 2001
From: Jonas Jenwald <jonas.jenwald@gmail.com>
Date: Tue, 19 Dec 2017 15:02:07 +0100
Subject: [PATCH] Remove the `document.readyState` polyfill

This is only relevant for browsers that we don't intend to support with PDF.js version `2.0`.
---
 src/shared/compatibility.js | 25 -------------------------
 1 file changed, 25 deletions(-)

diff --git a/src/shared/compatibility.js b/src/shared/compatibility.js
index 63dc62818..b371d4c19 100644
--- a/src/shared/compatibility.js
+++ b/src/shared/compatibility.js
@@ -111,31 +111,6 @@ PDFJS.compatibilityChecked = true;
   });
 })();
 
-// Provides correct document.readyState value for legacy browsers.
-// Support: IE9,10.
-(function checkDocumentReadyState() {
-  if (!hasDOM) {
-    return;
-  }
-  if (!document.attachEvent) {
-    return;
-  }
-  var documentProto = document.constructor.prototype;
-  var readyStateProto = Object.getOwnPropertyDescriptor(documentProto,
-                                                        'readyState');
-  Object.defineProperty(documentProto, 'readyState', {
-    get() {
-      var value = readyStateProto.get.call(this);
-      return value === 'interactive' ? 'loading' : value;
-    },
-    set(value) {
-      readyStateProto.set.call(this, value);
-    },
-    enumerable: true,
-    configurable: true,
-  });
-})();
-
 // Provides support for ChildNode.remove in legacy browsers.
 // Support: IE.
 (function checkChildNodeRemove() {