src/macosx/classes/sun/lwawt/macosx/CPlatformEmbeddedFrame.java

@@ -29,16 +29,13 @@
 import sun.lwawt.LWWindowPeer;
 
 import sun.java2d.opengl.CGLLayer;
 import sun.java2d.SurfaceData;
 
-import sun.awt.CGraphicsConfig;
-import sun.awt.CGraphicsDevice;
 import sun.awt.CausedFocusEvent;
 
 import java.awt.*;
-import java.awt.BufferCapabilities.FlipContents;
 
 import sun.util.logging.PlatformLogger;
 
 /*
  * Provides a lightweight implementation of the EmbeddedFrame.

@@ -111,26 +108,10 @@
     public SurfaceData replaceSurfaceData() {
         return windowLayer.replaceSurfaceData();
     }
 
     @Override
-    public Image createBackBuffer() {
-        Rectangle r = peer.getBounds();
-        Image im = null;
-        if (!r.isEmpty()) {
-            int transparency = peer.isTranslucent() ? Transparency.TRANSLUCENT : Transparency.OPAQUE;
-            im = peer.getGraphicsConfiguration().createCompatibleImage(r.width, r.height, transparency);
-        }
-        return im;
-    }
-
-    @Override
-    public void flip(int x1, int y1, int x2, int y2, FlipContents flipAction) {
-        throw new RuntimeException("Not implemented");
-    }
-
-    @Override
     public void setVisible(boolean visible) {}
 
     @Override
     public void setTitle(String title) {}