move SendSizeEvent() down to wxWindow from wxFrame; added SendSizeEventToParent() helper

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@54803 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/univ/framuniv.cpp

@@ -92,13 +92,6 @@ void wxFrame::OnSize(wxSizeEvent& event)
     event.Skip();
 }
 
-void wxFrame::SendSizeEvent()
-{
-    wxSizeEvent event(GetSize(), GetId());
-    event.SetEventObject(this);
-    GetEventHandler()->ProcessEvent(event);
-}
-
 #if wxUSE_MENUS
 
 void wxFrame::PositionMenuBar()