Fix for issue 4596 (broken layout on tab visibility change in IE6). Changes
LayoutPanel to provide an explicit setWidgetVisible() method, which ensures
that the layout is properly updated on a visibility change. Also adds a test
to catch this particular flavor of failure on IE6.

Review at http://gwt-code-reviews.appspot.com/153820


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@7649 8db76d5a-ed1c-0410-87a9-c151d255dfc7
3 files changed