Simplify ComposedShadowTreeWalker parent traversal
https://bugs.webkit.org/show_bug.cgi?id=120971

Reviewed by Andreas Kling.

Combine a bunch of parent traversal functions into one.

* dom/ComposedShadowTreeWalker.cpp:
(WebCore::ComposedShadowTreeWalker::traverseParent):
(WebCore::ComposedShadowTreeWalker::previous):
* dom/ComposedShadowTreeWalker.h:
        
    Remove unused fromFirstChild.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@155264 268f45cc-cd09-0410-ab3c-d52691b4dbfc
3 files changed