src/java.desktop/macosx/classes/sun/lwawt/macosx/CPlatformWindow.java

*** 674,683 ****
--- 674,690 ----
      }
  
      @Override  // PlatformWindow
      public void toFront() {
          final long nsWindowPtr = getNSWindowPtr();
+         LWCToolkit lwcToolkit = (LWCToolkit) Toolkit.getDefaultToolkit();
+         Window w = DefaultKeyboardFocusManager.getCurrentKeyboardFocusManager().getActiveWindow();
+         if( w != null
+                 && ((LWWindowPeer)w.getPeer()).getPeerType() == LWWindowPeer.PeerType.EMBEDDED_FRAME
+                 && !lwcToolkit.isApplicationActive()) {
+             lwcToolkit.activateApplicationIgnoringOtherApps();
+         }
          updateFocusabilityForAutoRequestFocus(false);
          nativePushNSWindowToFront(nsWindowPtr);
          updateFocusabilityForAutoRequestFocus(true);
      }