Document::setActiveNode() should be Document::setActiveElement()
https://bugs.webkit.org/show_bug.cgi?id=106437

Reviewed by Ojan Vafai.

No new tests. No functoinal change.

* dom/Document.cpp:
(WebCore::Document::setActiveElement):
(WebCore::Document::updateHoverActiveState):
* dom/Document.h:
(Document):
* rendering/HitTestResult.cpp:
(WebCore::HitTestResult::innerElement):
(WebCore):
* rendering/HitTestResult.h:
(HitTestResult):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@139199 268f45cc-cd09-0410-ab3c-d52691b4dbfc