Created attachment 44451 [details] Examples for the bug It seems repainting divs with css style border-bottom is really slow. The effects of that is it causes typing in content editable lag. Slow: test2.html Type in the div that I've made contentEditable and it's got garbal in it. Notice the lag in typing, where characters still come out after you've finished bashing your keyboard. This is particularly obvious on the chrome/linux. Fast: test.html Do the same above and notice NO lag in typing. Notes: The only difference between the 2 is the fast version uses border-bottom solid instead of dotted.
I believe this is a skia bug - I cannot repro on Chromium or WebKit on OS X.
Filed as http://code.google.com/p/skia/issues/detail?id=43. Not sure how to mark this bug.
Worksforme, based on comments.