1 files changed, 15 insertions, 0 deletions
diff --git a/dom/webidl/HiddenPluginEvent.webidl b/dom/webidl/HiddenPluginEvent.webidl
new file mode 100644
index 0000000000..bd722df198
--- /dev/null
+++ b/dom/webidl/HiddenPluginEvent.webidl
@@ -0,0 +1,15 @@
+interface PluginTag;
+
+[ChromeOnly,
+ Exposed=Window]
+interface HiddenPluginEvent : Event
+{
+  constructor(DOMString type, optional HiddenPluginEventInit eventInit = {});
+
+  readonly attribute PluginTag? tag;
+};
+
+dictionary HiddenPluginEventInit : EventInit
+{
+  PluginTag? tag = null;
+};