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diff --git a/tools/addon-sdk-1.4/packages/api-utils/lib/self!.js b/tools/addon-sdk-1.4/packages/api-utils/lib/self!.js
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+/* vim:st=2:sts=2:sw=2:
+ * ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is Jetpack.
+ *
+ * The Initial Developer of the Original Code is Mozilla.
+ * Portions created by the Initial Developer are Copyright (C) 2011
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *   Brian Warner <warner@mozilla.com>
+ *   Erik Vold <erikvvold@gmail.com>
+ *   Irakli Gozalishvili <gozala@mozilla.com>
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+"use strict";
+
+const { CC } = require('chrome');
+const { jetpackID, name, manifest, metadata, uriPrefix } = require('@packaging');
+
+const XMLHttpRequest = CC('@mozilla.org/xmlextras/xmlhttprequest;1',
+                          'nsIXMLHttpRequest');
+
+// Utility function that synchronously reads local resource from the given
+// `uri` and returns content string.
+function readURI(uri) {
+  let request = XMLHttpRequest();
+  request.open('GET', uri, false);
+  request.overrideMimeType('text/plain');
+  request.send();
+  return request.responseText;
+}
+
+// Some XPCOM APIs require valid URIs as an argument for certain operations (see
+// `nsILoginManager` for example). This property represents add-on associated
+// unique URI string that can be used for that.
+const uri = 'addon:' + jetpackID
+
+function url(root, path) root + (path || "")
+function read(root, path) readURI(url(root, path))
+
+exports.create = function create(base) {
+  let moduleData = manifest[base] && manifest[base].requirements['self'];
+  let root = uriPrefix + moduleData.dataURIPrefix;
+  return Object.freeze({
+    id: 'self',
+    exports: Object.freeze({
+      id: jetpackID,
+      uri: uri,
+      name: name,
+      version: metadata[name].version,
+      data: {
+        url: url.bind(null, root),
+        load: read.bind(null, root)
+      }
+    })
+  });
+};