VisitedLinkState::determineLinkState should take a reference
https://bugs.webkit.org/show_bug.cgi?id=135375

Patch by Benjamin Poulain <bpoulain@apple.com> on 2014-07-29
Reviewed by Sam Weinig.

* css/StyleResolver.cpp:
(WebCore::StyleResolver::State::initElement):
* dom/VisitedLinkState.h:
(WebCore::VisitedLinkState::determineLinkState):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@171752 268f45cc-cd09-0410-ab3c-d52691b4dbfc