Recalc OPTION and OPTGROUP from recalcOwnStyle.

When recalc was done from willRecalcStyle, the StyleRecalcChange state for
OPTGROUP would always be NoChange for recalcOwnStyle and inherited properties
not propagated to OPTION children for LocalStyleChange in OPTGROUP.

R=esprehn
BUG=343536
NOTRY=true

Review URL: https://codereview.chromium.org/165433002

git-svn-id: svn://svn.chromium.org/blink/trunk@167414 bbb929c8-8fbe-4397-9dbb-9b2b20218538