chromium/src/third_party/blink/renderer/core/css/property_registration.idl

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://drafts.css-houdini.org/css-properties-values-api/#registering-custom-properties
[
    ImplementedAs=PropertyRegistration
] partial namespace CSS {
    [MeasureAs=CSSRegisterProperty, CallWith=ExecutionContext, RaisesException]
        void registerProperty(PropertyDefinition definition);
};