Revision http://trac.webkit.org/changeset/42238 introduced the first version of DOM access API to QtWebKit. One of the associated tests with the new API sneaked in QtCore 4.5 dependency by using QList::length() (http://doc.trolltech.com/4.5/qlist.html#lengthx).
Created attachment 29548 [details]
Thanks! Fix landed in r42608
*** Bug 25233 has been marked as a duplicate of this bug. ***
*** Bug 25143 has been marked as a duplicate of this bug. ***