diff --git a/mozilla/suite/browser/Makefile.in b/mozilla/suite/browser/Makefile.in
index 026d20b6278..c560d000623 100644
--- a/mozilla/suite/browser/Makefile.in
+++ b/mozilla/suite/browser/Makefile.in
@@ -50,6 +50,8 @@ EXTRA_COMPONENTS = nsBrowserContentHandler.js
 PREF_JS_EXPORTS = $(srcdir)/browser-prefs.js
 endif
 
+EXTRA_COMPONENTS += nsAboutAbout.js
+
 DEFINES += -DMOZ_APP_NAME="$(MOZ_APP_NAME)" \
            -DMOZ_APP_DISPLAYNAME="$(MOZ_APP_DISPLAYNAME)" \
            -DMOZ_APP_VERSION="$(MOZ_APP_VERSION)" \
diff --git a/mozilla/suite/browser/nsAboutAbout.js b/mozilla/suite/browser/nsAboutAbout.js
new file mode 100644
index 00000000000..15e94255c07
--- /dev/null
+++ b/mozilla/suite/browser/nsAboutAbout.js
@@ -0,0 +1,134 @@
+/* ***** 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 the SeaMonkey internet suite code.
+ *
+ * The Initial Developer of the Original Code is
+ * Mark Banner <bugzilla@standard8.demon.co.uk>
+ *
+ * Portions created by the Initial Developer are Copyright (C) 2007
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * 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 ***** */
+
+const nsISupports           = Components.interfaces.nsISupports;
+const nsIAboutModule        = Components.interfaces.nsIAboutModule;
+const nsIFactory            = Components.interfaces.nsIFactory;
+const nsIIOService          = Components.interfaces.nsIIOService;
+const nsIComponentRegistrar = Components.interfaces.nsIComponentRegistrar;
+
+const ABOUTABOUT_URI = "chrome://navigator/content/aboutAbout.html";
+
+var nsAboutAbout = {
+  /* nsISupports */
+  QueryInterface: function QueryInterface(iid) {
+    if (iid.equals(nsISupports) ||
+        iid.equals(nsIAboutModule) ||
+        iid.equals(nsIFactory))
+      return this;
+
+    throw Components.results.NS_ERROR_NO_INTERFACE;
+  },
+
+  /* nsIAboutModule */
+  newChannel: function newChannel(aURI) {
+    var ioService = Components.classes["@mozilla.org/network/io-service;1"]
+                              .getService(nsIIOService);
+
+    var channel = ioService.newChannel(ABOUTABOUT_URI, null, null);
+
+    channel.originalURI = aURI;
+
+    return channel;
+  },
+
+  getURIFlags: function getURIFlags(aURI) {
+    return 0;
+  },
+
+  /* nsIFactory */
+  createInstance: function createInstance(outer, iid) {
+    if (outer != null)
+      throw Components.results.NS_ERROR_NO_AGGREGATION;
+
+    return this.QueryInterface(iid);
+  },
+
+  lockFactory: function lockFactory(lock) {
+    /* no-op */
+  }
+};
+
+const NS_ABOUT_MODULE_CONTRACTID = "@mozilla.org/network/protocol/about;1";
+const NS_ABOUT_MODULE_CONTRACTID_PREFIX = NS_ABOUT_MODULE_CONTRACTID + "?what=";
+const ABOUTABOUT_CONTRACTID = NS_ABOUT_MODULE_CONTRACTID_PREFIX + "about";
+
+const ABOUTABOUT_CID = Components.ID("{2a57d8af-8728-4e63-b01e-29f4a4ebf9a7}");
+
+var Module = {
+  /* nsISupports */
+  QueryInterface: function QueryInterface(iid) {
+    if (iid.equals(Components.interfaces.nsIModule) ||
+        iid.equals(Components.interfaces.nsISupports))
+      return this;
+
+    throw Components.results.NS_ERROR_NO_INTERFACE;
+  },
+
+  /* nsIModule */
+  getClassObject: function getClassObject(compMgr, cid, iid) {
+    if (cid.equals(ABOUTABOUT_CID))
+      return nsAboutAbout.QueryInterface(iid);
+
+    throw Components.results.NS_ERROR_FACTORY_NOT_REGISTERED;
+  },
+    
+  registerSelf: function registerSelf(compMgr, fileSpec, location, type) {
+    var compReg = compMgr.QueryInterface(nsIComponentRegistrar);
+
+    compReg.registerFactoryLocation(ABOUTABOUT_CID,
+                                    "about:about",
+                                    ABOUTABOUT_CONTRACTID,
+                                    fileSpec,
+                                    location,
+                                    type);
+  },
+    
+  unregisterSelf: function unregisterSelf(compMgr, location, type) {
+    var compReg = compMgr.QueryInterface(nsIComponentRegistrar);
+    compReg.unregisterFactoryLocation(ABOUTABOUT_CID, location);
+  },
+
+  canUnload: function canUnload(compMgr) {
+    return true;
+  }
+};
+
+// NSGetModule: Return the nsIModule object.
+function NSGetModule(compMgr, fileSpec) {
+  return Module;
+}