Rework static method support.

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 7d7fb69792aed222f4496919f15a4b4f2f6999e2..4a62baf717c7f03ac4e5836f3917e4af99f1d4e0 100644
--- a/lib/dom/idl/dart/dart.idl
+++ b/lib/dom/idl/dart/dart.idl
@@ -218,17 +218,6 @@ module storage {
     [Suppressed] IDBRequest openCursor() raises (IDBDatabaseException);
   };
 
-  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);
-  };
-
   interface EntrySync {
     // Native implementation is declared to return EntrySync.
     [Suppressed] DirectoryEntrySync getParent();