|  | // 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://w3c.github.io/presentation-api/#interface-presentationrequest | 
|  |  | 
|  | [ | 
|  | ActiveScriptWrappable, | 
|  | ConstructorCallWith=ExecutionContext, | 
|  | Constructor(USVString url), | 
|  | Constructor(sequence<USVString> urls), | 
|  | MeasureAs=PresentationRequestConstructor, | 
|  | RaisesException=Constructor, | 
|  | RuntimeEnabled=Presentation | 
|  | ] interface PresentationRequest : EventTarget { | 
|  | [CallWith=ScriptState, MeasureAs=PresentationRequestStart] Promise<PresentationConnection> start(); | 
|  | [CallWith=ScriptState, MeasureAs=PresentationRequestReconnect] Promise<PresentationConnection> reconnect(DOMString id); | 
|  | [CallWith=ScriptState, MeasureAs=PresentationRequestGetAvailability] Promise<PresentationAvailability> getAvailability(); | 
|  |  | 
|  | attribute EventHandler onconnectionavailable; | 
|  | }; |