bug here: https://groups.google.com/a/chromium.org/forum/?fromgroups#!topic/chromium-bugs/eUfzp3UJDwo%5B1-25%5D
just encountered this problem, streaking up my screen
I found out that it's possible to workaround this Chrome bug by shaking up the DOM a bit.
E.g. this was causing the issue:
foobar
... but replacing the H1 with SPAN fixed it: