Set autofilled property after autofilled value is set.

Autofill preview sets the field's autofill property to true. When the field is
autofilled right after preview happens, we'd like to clear the autofill property
that was set by preview before filling happens. This is handled in Blink side in
SetValue() function -

https://codereview.chromium.org/553983012/

R=isherman@chromium.org
BUG=412311

Review URL: https://codereview.chromium.org/551403002

Cr-Commit-Position: refs/heads/master@{#295955}
1 file changed