[Experimental Framework] Rename IDL attribute to OriginTrialEnabled

third_party/WebKit/Source/modules/bluetooth/BluetoothAdvertisingData.idl

 // 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://webbluetoothcg.github.io/web-bluetooth/#bluetoothadvertisingdata
 
 // Implement BluetoothAdvertisingData interface: http://crbug.com/542756
 
 [
     GarbageCollected,
     RuntimeEnabled=WebBluetooth,
-    APIExperimentEnabled=WebBluetooth,
+    OriginTrialEnabled=WebBluetooth,
 ] interface BluetoothAdvertisingData {
     // readonly attribute unsigned short? appearance;
     readonly attribute byte? txPower;
     readonly attribute byte? rssi;
     // readonly attribute ManufacturerDataMap manufacturerData;
     // readonly attribute ServiceDataMap  serviceData;
 };