http://gwt-code-reviews.appspot.com/148802
This patch uses getBoundingClientRect on modern WebKit browsers for
getAbsoluteTop and getAbsoluteLeft. Sadly, we still support Safari3 so I had to
do this via runtime check (so we can use the old crazy impl for Safari3).
However, this is still well worth the change for Safari4 and Chrome.
Review by : jgw


git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@7594 8db76d5a-ed1c-0410-87a9-c151d255dfc7