Revert "Revert "Revert "Constructors for IDBKeyRange"""

lib/html/frog/html_frog.dart

Index: lib/html/frog/html_frog.dart
diff --git a/lib/html/frog/html_frog.dart b/lib/html/frog/html_frog.dart
index f8d7217e78ce99f46c41db63265b7c795180828a..187a941e4b4f963f79819ff0868f80231e05ef7c 100644
--- a/lib/html/frog/html_frog.dart
+++ b/lib/html/frog/html_frog.dart
@@ -7534,6 +7534,14 @@ class _IDBKeyRangeImpl implements IDBKeyRange native "*IDBKeyRange" {
   final Dynamic upper;
 
   final bool upperOpen;
+
+  _IDBKeyRangeImpl bound(lower, upper, [bool lowerOpen = null, bool upperOpen = null]) native;
+
+  _IDBKeyRangeImpl lowerBound(bound, [bool open = null]) native;
+
+  _IDBKeyRangeImpl only(value) native;
+
+  _IDBKeyRangeImpl upperBound(bound, [bool open = null]) native;
 }
 
 class _IDBObjectStoreImpl implements IDBObjectStore native "*IDBObjectStore" {
@@ -24325,6 +24333,18 @@ interface IDBKeyRange {
 
   /** @domName IDBKeyRange.upperOpen */
   final bool upperOpen;
+
+  /** @domName IDBKeyRange.bound */
+  IDBKeyRange bound(/*IDBKey*/ lower, /*IDBKey*/ upper, [bool lowerOpen, bool upperOpen]);
+
+  /** @domName IDBKeyRange.lowerBound */
+  IDBKeyRange lowerBound(/*IDBKey*/ bound, [bool open]);
+
+  /** @domName IDBKeyRange.only */
+  IDBKeyRange only(/*IDBKey*/ value);
+
+  /** @domName IDBKeyRange.upperBound */
+  IDBKeyRange upperBound(/*IDBKey*/ bound, [bool open]);
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a