Chrome for Android crashes on maps.google.com

This CL is a rebase of Chris Harrelson's work in https://codereview.chromium.org/224243003. We now have a number of cases we can reduce to find a test case.

R=chrishtr@chromium.org
BUG=365597

Review URL: https://codereview.chromium.org/248093002

git-svn-id: svn://svn.chromium.org/blink/trunk@172292 bbb929c8-8fbe-4397-9dbb-9b2b20218538