Make layout_2020 be layout_2013

components/layout_2020/opaque_node.rs

@@ -0,0 +1,19 @@
+/* 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 https://mozilla.org/MPL/2.0/. */
+
+use crate::display_list::items::OpaqueNode;
+use libc::c_void;
+use script_traits::UntrustedNodeAddress;
+
+pub trait OpaqueNodeMethods {
+    /// Converts this node to an `UntrustedNodeAddress`. An `UntrustedNodeAddress` is just the type
+    /// of node that script expects to receive in a hit test.
+    fn to_untrusted_node_address(&self) -> UntrustedNodeAddress;
+}
+
+impl OpaqueNodeMethods for OpaqueNode {
+    fn to_untrusted_node_address(&self) -> UntrustedNodeAddress {
+        UntrustedNodeAddress(self.0 as *const c_void)
+    }
+}