Noting relevant webkit bugs here.

Scrolling with arrow keys or mouse wheel does not update cursor/tooltip:
https://bugs.webkit.org/show_bug.cgi?id=17052

Cannot select text in a link:
http://code.google.com/p/chromium/issues/detail?id=120352

Input fields don't work inside iframes + other input/iframe issues:
https://bugs.webkit.org/show_bug.cgi?id=15697
https://bugs.webkit.org/show_bug.cgi?id=20387
https://bugs.webkit.org/show_bug.cgi?id=125384
