Accessibility of these methods was accidentally changed to protected in r62821
and this broke wxUniv compilation, make them public again.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62877 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
The base class already does exactly the same thing -- except that it also
accounts for the borders properly.
Also fix access for a couple of DoXXX() member functions which should be
protected and an event handler which can be private.
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62821 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
