Move IDLs to 39 roll

modules/presentation/Presentation.idl

 // Copyright 2014 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.
 
+// http://webscreens.github.io/presentation-api/#presentation-interface
+
 [
-    NoInterfaceObject,
     GarbageCollected,
-] interface WebKitGamepadList {
-    readonly attribute unsigned long length;
-    getter WebKitGamepad item([Default=Undefined] optional unsigned long index);
+    RuntimeEnabled=Presentation
+] interface Presentation : EventTarget {
+    attribute EventHandler onavailablechange;
 };