Deliver action clicks to page notifications (blink)

Source/modules/notifications/PageNotificationEvent.idl

Index: Source/modules/notifications/PageNotificationEvent.idl
diff --git a/Source/modules/notifications/PageNotificationEvent.idl b/Source/modules/notifications/PageNotificationEvent.idl
new file mode 100644
index 0000000000000000000000000000000000000000..4e54f60c6ad2440b6869d98546d3235e94d8f89e
--- /dev/null
+++ b/Source/modules/notifications/PageNotificationEvent.idl
@@ -0,0 +1,14 @@
+// Copyright 2015 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://notifications.spec.whatwg.org/#pagenotificationevent

[Peter Beverloo, 2015/08/07 07:25:25]

This name is not going to fly as-is (we expose "new Notification()" also in
dedicated and shared workers). Please discuss before landing.

+
+[
+    Constructor(DOMString type, optional PageNotificationEventInit eventInitDict),
+    Exposed=(Window,DedicatedWorker,SharedWorker),
+    RuntimeEnabled=NotificationExperimental,
+    TypeChecking=Interface,
+] interface PageNotificationEvent : Event {
+    readonly attribute DOMString action;
+};