Bug 1519577 Update test_bug467123 to not rely on button.xml r=smaug

Differential Revision: https://phabricator.services.mozilla.com/D31936

--HG--
extra : rebase_source : 22c8c44804d044de46c7594c969cd3d14696b76b

dom/base/test/chrome/chrome.ini

@@ -4,6 +4,7 @@ support-files =
   blockNoPlugins.xml
   blockPluginHard.xml
   bug418986-1.js
+  clonedoc/**
   cpows_child.js
   cpows_parent.xul
   file_bug549682.xul

dom/base/test/chrome/clonedoc/chrome.manifest

@@ -0,0 +1 @@
+content clonedoc content/

dom/base/test/chrome/clonedoc/content/doc.xml

@@ -0,0 +1,4 @@
+<?xml version='1.0' encoding='UTF-8'?>
+<something>
+  <somethinglese/>
+</something>

dom/base/test/chrome/test_bug467123.xul

@@ -17,10 +17,20 @@ https://bugzilla.mozilla.org/show_bug.cgi?id=467123
 
   <!-- test code goes here -->
   <script type="application/javascript"><![CDATA[
-
     /** Test for Bug 467123 **/
+    let url = Cc["@mozilla.org/network/io-service;1"]
+                .getService(Ci.nsIIOService)
+                .newURI(document.location.href);
+    let file = Cc["@mozilla.org/chrome/chrome-registry;1"]
+                 .getService(Ci.nsIChromeRegistry)
+                 .convertChromeURL(url)
+                 .QueryInterface(Ci.nsIFileURL)
+                 .file.parent;
+    file.append("clonedoc");
+    Components.manager.addBootstrappedManifestLocation(file);
+
     var xhr = new XMLHttpRequest();
-    xhr.open("GET", "chrome://global/content/bindings/button.xml", false);
+    xhr.open("GET", "chrome://clonedoc/content/doc.xml", false);
     xhr.send();
     ok(xhr.responseXML, "We should have response document!");
     var e = null;