src/java.desktop/macosx/native/libawt_lwawt/awt/AWTWindow.m

@@ -952,15 +952,10 @@
 
 + (AWTWindow *) lastKeyWindow {
     return lastKeyWindow;
 }
 
-- (BOOL)windowShouldZoom:(NSWindow *)window toFrame:(NSRect)newFrame {
-    return !NSEqualSizes(self.nsWindow.frame.size, newFrame.size);
-}
-
-
 @end // AWTWindow
 
 
 /*
  * Class:     sun_lwawt_macosx_CPlatformWindow