StyleResolver::adjustRenderStyle() should take RenderStyle references.
<https://webkit.org/b/125623>

This function doesn't handle null styles being passed, so prevent
it at compile time.

Reviewed by Anders Carlsson.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@160539 268f45cc-cd09-0410-ab3c-d52691b4dbfc
7 files changed