minor name updates based on spec update at: https://wicg.github.io/longtasks

third_party/WebKit/Source/core/timing/TaskAttributionTiming.idl

 // Copyright 2017 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://github.com/wicg/longtasks
 [
     OriginTrialEnabled=LongTaskObserver,
 ] interface TaskAttributionTiming : PerformanceEntry {
-    readonly attribute DOMString frameSrc;
-    readonly attribute DOMString frameId;
-    readonly attribute DOMString frameName;
+    readonly attribute DOMString containerType;
+    readonly attribute DOMString containerSrc;
+    readonly attribute DOMString containerId;
+    readonly attribute DOMString containerName;
 };