Revert "Revert "Constructors for IDBKeyRange""

lib/dom/idl/dart/dart.idl

Index: lib/dom/idl/dart/dart.idl
diff --git a/lib/dom/idl/dart/dart.idl b/lib/dom/idl/dart/dart.idl
index 75c53510e9b081193b0ade1e6472f736820609a4..e356caa833e9ea03abdf8c8713f48becac605f9c 100644
--- a/lib/dom/idl/dart/dart.idl
+++ b/lib/dom/idl/dart/dart.idl
@@ -219,6 +219,17 @@ module storage {
   interface IDBObjectStore {
     [DartName=getObject] IDBRequest get(in IDBKey key);
   };
+
+  interface IDBKeyRange {
+    [Suppressed] static IDBKeyRange only(in IDBKey value)
+        raises (IDBDatabaseException);
+    [Suppressed] static IDBKeyRange lowerBound(in IDBKey bound, in optional boolean open)
+        raises (IDBDatabaseException);
+    [Suppressed] static IDBKeyRange upperBound(in IDBKey bound, in optional boolean open)
+        raises (IDBDatabaseException);
+    [Suppressed] static IDBKeyRange bound(in IDBKey lower, in IDBKey upper, in optional boolean lowerOpen, optional boolean upperOpen)
+        raises (IDBDatabaseException);
+  };
 };
 
 module html {