jmesserly@google.com 4194748695 remove old custom_element polyfill ...

just some cleanup. this was the stopgap xtag polyfill for Polymer; we never used it in web_ui to my knowledge. it's obsolete with document.register

R=blois@google.com

Review URL: https://codereview.chromium.org//36373004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@29116 260f80e4-7a28-3924-810f-c04153c831b5

2013-10-23 20:21:07 +00:00

..

custom_tag_name.dart

add custom_element package

2013-07-29 23:00:21 +00:00