851e41a408
Use the underlying dart implementation class in overloading resolution checks, rather than the dart interface which is presented to the user. This resolves an issue with IDBDatabase in which DOMStringList and sequence<DOMString> have the same Dart interface type (List<String>), even though the underlying implementation types differ (List<String> vs DomStringList). BUG= R=vsm@google.com Review URL: https://codereview.chromium.org//368433004 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@37883 260f80e4-7a28-3924-810f-c04153c831b5