Add IDBKeyRange to dart:html, port two indexeddb tests

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 76dc2bf7fffd365ea2c737e8b7ddbab9cd40ead7..d5ece654d4b0699b29fa27defc2780d0714fbd00 100644
--- a/lib/html/frog/html_frog.dart
+++ b/lib/html/frog/html_frog.dart
@@ -24334,7 +24334,29 @@ interface IDBKey {
 // WARNING: Do not edit - generated code.
 
 /// @domName IDBKeyRange
-interface IDBKeyRange {
+interface IDBKeyRange default _IDBKeyRangeFactoryProvider {
+
+  /**
+   * @domName IDBKeyRange.only
+   */
+  IDBKeyRange.only(/*IDBKey*/ value);
+
+  /**
+   * @domName IDBKeyRange.lowerBound
+   */
+  IDBKeyRange.lowerBound(/*IDBKey*/ bound, [bool open]);
+
+  /**
+   * @domName IDBKeyRange.upperBound
+   */
+  IDBKeyRange.upperBound(/*IDBKey*/ bound, [bool open]);
+
+  /**
+   * @domName IDBKeyRange.bound
+   */
+  IDBKeyRange.bound(/*IDBKey*/ lower, /*IDBKey*/ upper,
+                    [bool lowerOpen, bool upperOpen]);
+
 
   /** @domName IDBKeyRange.lower */
   final Dynamic lower;
@@ -36227,6 +36249,53 @@ class _TextFactoryProvider {
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+class _IDBKeyRangeFactoryProvider {
+
+  factory IDBKeyRange.only(/*IDBKey*/ value) =>
+      _only(_class(), _translateKey(value));
+
+  factory IDBKeyRange.lowerBound(/*IDBKey*/ bound, [bool open = false]) =>
+      _lowerBound(_class(), _translateKey(bound), open);
+
+  factory IDBKeyRange.upperBound(/*IDBKey*/ bound, [bool open = false]) =>
+      _upperBound(_class(), _translateKey(bound), open);
+
+  factory IDBKeyRange.bound(/*IDBKey*/ lower, /*IDBKey*/ upper,
+                            [bool lowerOpen = false, bool upperOpen = false]) =>
+      _bound(_class(), _translateKey(lower), _translateKey(upper),
+             lowerOpen, upperOpen);
+
+  static var _cachedClass;
+
+  static _class() {
+    if (_cachedClass != null) return _cachedClass;
+    return _cachedClass = _uncachedClass();
+  }
+
+  static _uncachedClass() native '''
+      return window.webkitIDBKeyRange || window.mozIDBKeyRange ||
+             window.msIDBKeyRange || window.IDBKeyRange;
+  ''';
+
+  static _translateKey(idbkey) => idbkey;  // TODO: fixme.
+
+  static _IDBKeyRangeImpl _only(cls, value) native
+      '''return cls.only(value);''';
+
+  static _IDBKeyRangeImpl _lowerBound(cls, bound, open) native
+      '''return cls.lowerBound(bound, open);''';
+
+  static _IDBKeyRangeImpl _upperBound(cls, bound, open) native
+      '''return cls.upperBound(bound, open);''';
+
+  static _IDBKeyRangeImpl _bound(cls, lower, upper, lowerOpen, upperOpen) native
+      '''return cls.bound(lower, upper, lowerOpen, upperOpen);''';
+
+}
+// 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
+// BSD-style license that can be found in the LICENSE file.
+
 class _TypedArrayFactoryProvider {
 
   factory Float32Array(int length) => _F32(length);