tree 3ea95f6a3d01983d759a351c343dbc3a55c1332e
parent c47f2a196b2e46b2f9f6bd144952c2204723e3ca
author sigmund@google.com <sigmund@google.com> 1402705633 +0000
committer sigmund@google.com <sigmund@google.com> 1402705633 +0000

Support upgrading existing elements already on the page.

R=justinfagnani@google.com

Review URL: https://codereview.chromium.org//333073002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/web_components@37338 260f80e4-7a28-3924-810f-c04153c831b5