Introduce WindowTimers IDL interface

Source/core/page/WindowTimers.idl

Index: Source/core/page/WindowTimers.idl
diff --git a/Source/modules/indexeddb/WindowIndexedDatabase.idl b/Source/core/page/WindowTimers.idl
similarity index 77%
copy from Source/modules/indexeddb/WindowIndexedDatabase.idl
copy to Source/core/page/WindowTimers.idl
index 3823e4f2a5e7402f845bb82fcbbbaa30ce0a95e6..97d5d42dec57abea44f2f68f632ef334cc8f2b4f 100644
--- a/Source/modules/indexeddb/WindowIndexedDatabase.idl
+++ b/Source/core/page/WindowTimers.idl
@@ -1,6 +1,7 @@
 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Google Inc. All rights reserved.
+ * Copyright (C) 2013 Samsung Electronics. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -25,9 +26,11 @@
  */
 
 [
-    ImplementedAs=DOMWindowIndexedDatabase
-] partial interface Window {
-    [ImplementedAs=indexedDB,MeasureAs=PrefixedIndexedDB] readonly attribute IDBFactory webkitIndexedDB;
-
-    [MeasureAs=UnprefixedIndexedDB] readonly attribute IDBFactory indexedDB;
+    NoInterfaceObject
+] interface WindowTimers {
+    [Custom] long setTimeout(any handler, [Default=Undefined] optional long timeout);
+    void clearTimeout([Default=Undefined] optional long handle);
+    [Custom] long setInterval(any handler, [Default=Undefined] optional long timeout);
+    void clearInterval([Default=Undefined] optional long handle);
 };
+