Move IDLs to 39 roll

bindings/tests/idls/core/TestImplements3.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.
 
 [
     LegacyTreatAsPartialInterface, // used by [ImplementedAs]
     ImplementedAs=TestImplements3Implementation, // Conflicts with default implements class name
     NoInterfaceObject, // Always used on target of 'implements'
 ] interface TestImplements3 {
     attribute DOMString implements3StringAttribute;
     static attribute DOMString implements3StaticStringAttribute;
     void implements3VoidMethod();
     static void implements3StaticVoidMethod();
 };