Move IDLs to 39 roll

modules/indexeddb/IDBIndexParameters.idl

Index: modules/indexeddb/IDBIndexParameters.idl
diff --git a/core/streams/ReadableStream.idl b/modules/indexeddb/IDBIndexParameters.idl
similarity index 51%
copy from core/streams/ReadableStream.idl
copy to modules/indexeddb/IDBIndexParameters.idl
index 927fa94b9a9604b286a95cbc8edbee1d4f3eb020..199d45c7b97d3cd3cb7b9d3f3818cb813b11bcc9 100644
--- a/core/streams/ReadableStream.idl
+++ b/modules/indexeddb/IDBIndexParameters.idl
@@ -2,8 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// https://dvcs.w3.org/hg/IndexedDB/raw-file/tip/Overview.html#options-object-concept
+
 [
-    RuntimeEnabled=Stream,
     GarbageCollected
-] interface ReadableStream {
+] dictionary IDBIndexParameters {
+    boolean unique = false;
+    boolean multiEntry = false;
 };