[IndexedDB] Propogating changes to observers : Renderer

third_party/WebKit/Source/modules/indexeddb/IDBObserverChanges.idl

 // Copyright 2016 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/indexed-db-observers/blob/gh-pages/EXPLAINER.md#changes-argument
 
 [
    Exposed=(Window, Worker),
    RuntimeEnabled=IDBObserver
 ] interface IDBObserverChanges {
     readonly attribute IDBDatabase database;
     // Transaction contains the same object stores as the transaction on which IDBTransaction.observe was called.
     readonly attribute IDBTransaction transaction;
-    // This is the javascript Map<String, sequence<IDBObserverChangesRecord>>,
+    // This is the  javascript Map object from String to list of IDBObservation,

[jsbell, 2016/07/14 20:08:14]

nit: extra space, and either say "script" or "JavaScript"
nit: should list be Array ?

Also, maybe "... String (object store name) to ..."

[palakj1, 2016/07/15 20:16:05]

Done.

     // where the key is the object store name.
-    // TODO(palakj) : Replace 'any' with maplike<DOMString, sequence<IDBObserverChangesRecord>>.
     [CallWith=ScriptState] readonly attribute any records;
 };