Move the 2D shape creation code into a separate method.

Change-Id: I38ccb7f98f404540f5cf3c32be27da19394475a0

chart2/inc/ChartView.hxx

@@ -203,6 +203,7 @@ private: //methods
     ChartView();
 
     void createShapes();
+    void createShapes2D( const css::awt::Size& rPageSize );
     void createShapes3D();
     bool isReal3DChart();
     void getMetaFile( const ::com::sun::star::uno::Reference< ::com::sun::star::io::XOutputStream >& xOutStream