Reviewed by Darin Fisher.

        Removing unused code from PopupMenuChromium.
        https://bugs.webkit.org/show_bug.cgi?id=53866

       * platform/chromium/PopupMenuChromium.cpp:
        (WebCore::PopupListBox::layout):
        (WebCore::PopupMenuChromium::show):
        * platform/chromium/PopupMenuChromium.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@77904 268f45cc-cd09-0410-ab3c-d52691b4dbfc