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

@@ -162,11 +162,11 @@
                         : this;
             }
         }
         // ignore focus "lost" native request as it may mistakenly
         // deactivate active window (see 8001161)
-        if (globalFocusedWindow == this && parentWindowActive) {
+        if (globalFocusedWindow == this) {
             responder.handleWindowFocusEvent(parentWindowActive, null);
         }
     }
 
     public boolean isParentWindowActive() {