Remove leftover seamless iframe logic from containerForRepaint().
<https://webkit.org/b/128235>

The parent-flow-thread-in-different-document case is no longer
relevant after <iframe seamless> was removed.

Reviewed by David Hyatt.

* rendering/RenderObject.cpp:
(WebCore::RenderObject::containerForRepaint):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@163459 268f45cc-cd09-0410-ab3c-d52691b4dbfc
2 files changed