Whole block area is highlighted instead of only Selected option.

Whole block area is highlighted instead of only Selected option.

[Title] Whole block area is highlighted instead of only Selected option.
[Issue#] P130612-3611, P130612-3538, P130615-1146, WEB-3182
[Problem] Header element is shown as Focused element
[Cause] Header element has been regisetered with click-event listener in the page content.
[Solution] We will be checking two conditions here If the FocusRect is too big then we don't show focus ring.
Second to see focused parent should not have any child which is focusable.

Change-Id: I8e690bb817c160698ecd498d094b810591aec3f3