Add m-esr52 at 52.6.0

1 files changed, 20 insertions, 0 deletions

diff --git a/dom/webidl/WebGLContextEvent.webidl b/dom/webidl/WebGLContextEvent.webidl
new file mode 100644
index 000000000..8b227da72
--- /dev/null
+++ b/dom/webidl/WebGLContextEvent.webidl
@@ -0,0 +1,20 @@
+/* -*- 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/.
+
+ * The origin of this IDL file is
+ * https://www.khronos.org/registry/webgl/specs/latest/1.0/#fire-a-webgl-context-event
+ */
+
+[Constructor(DOMString type, optional WebGLContextEventInit eventInit),
+ Exposed=(Window,Worker),
+ Func="mozilla::dom::OffscreenCanvas::PrefEnabledOnWorkerThread"]
+interface WebGLContextEvent : Event {
+  readonly attribute DOMString statusMessage;
+};
+
+// EventInit is defined in the DOM4 specification.
+dictionary WebGLContextEventInit : EventInit {
+  DOMString statusMessage = "";
+};