revert r59246; the window parameter was there by purpose (i.e. for consistency with other Get* methods -- even if unused); document what the win parameter does in the various wxRenderer::Get* methods

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@59280 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/generic/renderg.cpp

@@ -98,7 +98,7 @@ public:
                               const wxRect& rect,
                               int flags = 0);
 
-    virtual wxSize GetCheckBoxSize() const;
+    virtual wxSize GetCheckBoxSize(wxWindow *win);
 
     virtual void DrawPushButton(wxWindow *win,
                                 wxDC& dc,
@@ -625,7 +625,7 @@ wxRendererGeneric::DrawCheckBox(wxWindow *WXUNUSED(win),
     }
 }
 
-wxSize wxRendererGeneric::GetCheckBoxSize() const
+wxSize wxRendererGeneric::GetCheckBoxSize(wxWindow *WXUNUSED(win))
 {
     return wxSize(16, 16);
 }