- fixed 3125412 - HOMEPAGE: 2nd load of html in the same div fails.
	- fixed 3052113 - HOMEPAGE: "site menu" part of .mac home page editing doesn't work
	- fixed 3075392 - HOMEPAGE: "pages" section of mac.com homepage editing is missing

        * khtml/html/html_baseimpl.h:
        * khtml/html/html_baseimpl.cpp:
        (HTMLFrameElementImpl::updateForNewURL): Function that loads new URL,
	to be called if src attribute is set explicitly and the element is already
	attached.
        (HTMLFrameElementImpl::parseAttribute): Call updateForNewURL when src
	attrinute is set.
        (HTMLFrameElementImpl::contentDocument): Don't involve render widget
	in getting the content document.
        * khtml/html/html_elementimpl.cpp:
        (HTMLElementImpl::createContextualFragment): Allow contextual
	fragments to be created (and therefore innerHTML to be set on) TR
	and HTML elements.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@3090 268f45cc-cd09-0410-ab3c-d52691b4dbfc