WebKit2 version of <rdar://problem/6097826> Mail's cursor does not become a resize cursor when moving mouse from scrolled email to the horizontal splitter

Reviewed by John Sullivan.

* UIProcess/API/mac/PageClientImpl.mm:
(WebKit::PageClientImpl::setCursor): If the current cursor comes from a cursor rect, do not override it.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@76529 268f45cc-cd09-0410-ab3c-d52691b4dbfc