Issue 1441 - Let the browser resolve URLs instead doing it ourselve

include.preload.js

 /*
  * This file is part of Adblock Plus <http://adblockplus.org/>,
  * Copyright (C) 2006-2014 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 79 matching lines @@
       return hasInlineURL(element, "src") || element.hasAttribute("srcdoc");
     case "frame":
       return hasInlineURL(element, "src");
     case "object":
       return hasInlineURL(element, "data") && element.contentDocument;
     default:
       return false;
   }
 }
 
-// Converts relative to absolute URL
-// e.g.: foo.swf on http://example.com/whatever/bar.html
-//  -> http://example.com/whatever/foo.swf
-function relativeToAbsoluteUrl(url)
+function resolveURL(url)
 {
-  // If URL is already absolute, don't mess with it
-  if (!url || /^[\w\-]+:/i.test(url))
-    return url;
-
-  // Leading / means absolute path
-  // Leading // means network path
-  if (url[0] == '/')
-  {
-    if (url[1] == '/')
-      return window.location.protocol + url;
-    else
-      return window.location.protocol + "//" + window.location.host + url;
-  }
-
-  // Remove filename and add relative URL to it
-  var base = document.baseURI.match(/.+\//);
-  if (!base)
-    return document.baseURI + "/" + url;
-  return base[0] + url;
+  var a = document.createElement("a");
+  a.href = url;
+  return a.href;
 }
 
 function init(document)
 {
   // prior to Chrome 37, content scripts don't run on about:blank
   // and about:srcdoc. So we have to apply element hiding and collapsing
   // from the parent frame, when inline frames are loaded.
   var match = navigator.userAgent.match(/\bChrome\/(\d+)/);
   var fixInlineFrames = match && parseInt(match[1]) < 37;
 
@@ skipping 76 matching lines @@
   }, true);
 
   ext.backgroundPage.sendMessage({type: "get-selectors"}, setElemhideCSSRules);
 }
 
 if (document instanceof HTMLDocument)
 {
   checkSitekey();
   init(document);
 }