diff -r 000000000000 -r 6474c204b198 dom/webidl/InspectorUtils.webidl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/webidl/InspectorUtils.webidl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,16 @@
+/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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/.
+ */
+dictionary InspectorRGBTriple {
+  /*
+   * NOTE: Using octet for RGB components is not generally OK, because
+   * they can be outside the 0-255 range, but for backwards-compatible
+   * named colors (which is what we use this dictionary for) the 0-255
+   * assumption is fine.
+   */
+  octet r = 0;
+  octet g = 0;
+  octet b = 0;
+};