diff -r 000000000000 -r 6474c204b198 image/decoders/icon/qt/gtkqticonsconverter.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/image/decoders/icon/qt/gtkqticonsconverter.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,137 @@
+/* vim:set ts=2 sw=2 sts=2 cin et: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
+
+
+function GtkQtIconsConverter() { };
+GtkQtIconsConverter.prototype = {
+  classID:          Components.ID("{c0783c34-a831-40c6-8c03-98c9f74cca45}"),
+  QueryInterface: XPCOMUtils.generateQI([Components.interfaces.nsIGtkQtIconsConverter]),
+  convert: function(icon) { return this._gtk_qt_icons_table[icon]; },
+  _gtk_qt_icons_table: {
+    'about':
+    0,
+    'add':
+    0,
+    'apply':
+    44, /* QStyle::SP_DialogApplyButton */
+    'cancel':
+    39, /* QStyle::SP_DialogCancelButton */
+    'clear':
+    45, /* QStyle::SP_DialogResetButton  */
+    'color-picker':
+    0,
+    'copy':
+    0,
+    'close':
+    43, /* QStyle::SP_DialogCloseButton */
+    'cut':
+    0,
+    'delete':
+    0,
+    'dialog-error':
+    0,
+    'dialog-info':
+    0,
+    'dialog-question':
+    12, /* QStyle::SP_MessageBoxQuestion */
+    'dialog-warning':
+    10, /* QStyle::SP_MessageBoxWarning */
+    'directory':
+    37, /* QStyle::SP_DirIcon */
+    'file':
+    24, /* QStyle::SP_FileIcon */
+    'find':
+    0,
+    'go-back-ltr':
+    53, /* QStyle::SP_ArrowBack */
+    'go-back-rtl':
+    53, /* QStyle::SP_ArrowBack */
+    'go-back':
+    53, /* QStyle::SP_ArrowBack */
+    'go-forward-ltr':
+    54, /* QStyle::SP_ArrowForward */
+    'go-forward-rtl':
+    54, /* QStyle::SP_ArrowForward */
+    'go-forward':
+    54, /* QStyle::SP_ArrowForward */
+    'go-up':
+    49, /* QStyle::SP_ArrowUp */
+    'goto-first':
+    0,
+    'goto-last':
+    0,
+    'help':
+    7, /* QStyle::SP_TitleBarContextHelpButton */
+    'home':
+    55, /* QStyle::SP_DirHomeIcon */
+    'info':
+    9, /* QStyle::SP_MessageBoxInformation */
+    'jump-to':
+    0,
+    'media-pause':
+    0,
+    'media-play':
+    0,
+    'network':
+    20, /* QStyle::SP_DriveNetIcon */
+    'no':
+    48, /* QStyle::SP_DialogNoButton */
+    'ok':
+    38, /* QStyle::SP_DialogOkButton */
+    'open':
+    21, /* QStyle::SP_DirOpenIcon */
+    'orientation-landscape':
+    0,
+    'orientation-portrait':
+    0,
+    'paste':
+    0,
+    'preferences':
+    34, /* QStyle::SP_FileDialogContentsView */
+    'print-preview':
+    0,
+    'print':
+    0,
+    'properties':
+    0,
+    'quit':
+    0,
+    'redo':
+    0,
+    'refresh':
+    58, /* QStyle::SP_BrowserReload */
+    'remove':
+    0,
+    'revert-to-saved':
+    0,
+    'save-as':
+    42, /* QStyle::SP_DialogSaveButton */
+    'save':
+    42, /* QStyle::SP_DialogSaveButton */
+    'select-all':
+    0,
+    'select-font':
+    0,
+    'stop':
+    59, /* QStyle::SP_BrowserStop */
+    'undelete':
+    0,
+    'undo':
+    0,
+    'yes':
+    47, /* QStyle::SP_DialogYesButton */
+    'zoom-100':
+    0,
+    'zoom-in':
+    0,
+    'zoom-out':
+    0
+  },
+}
+var components = [GtkQtIconsConverter];
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory(components);
+