Reviewed by Jon Honeycutt.

* platform/PopupMenu.h:
* platform/win/PopupMenuWin.cpp:
(WebCore::PopupMenu::show):
Call registerClass.
        
(WebCore::PopupMenu::registerClass):
Make this a private static member function so it can refer to PopupMenuWndProc.
        
(WebCore::PopupMenu::PopupMenuWndProc):
Try to get the PopupMenu and call its wndProc member function.
        
(WebCore::PopupMenu::wndProc):
Make this a member function.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@48375 268f45cc-cd09-0410-ab3c-d52691b4dbfc