Add OSX prefix, and be clear that this is OS X only API to avoid any expectation that this API may work elsewhere.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@62828 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/osx/cocoa/private.h

@@ -246,7 +246,7 @@ public :
     virtual bool IsActive();
     
     virtual void SetModified(bool modified);
-    virtual bool GetModified() const;
+    virtual bool IsModified() const;
 
     wxNonOwnedWindow*   GetWXPeer() { return m_wxPeer; }
 protected :

include/wx/osx/core/private.h

@@ -755,7 +755,7 @@ public :
     long style, long extraStyle, const wxString& name  ) ;
     
     virtual void SetModified(bool WXUNUSED(modified)) { }
-    virtual bool GetModified() const { return false; }
+    virtual bool IsModified() const { return false; }
 
 protected :
     wxNonOwnedWindow*   m_wxPeer;

include/wx/osx/toplevel.h

@@ -75,8 +75,8 @@ public:
     virtual void SetTitle( const wxString& title);
     virtual wxString GetTitle() const;
 
-    virtual void SetModified(bool modified);
-    virtual bool GetModified() const;
+    virtual void OSXSetModified(bool modified);
+    virtual bool OSXIsModified() const;
 
 protected:
     // common part of all ctors