--- old/src/java.desktop/macosx/classes/sun/lwawt/LWWindowPeer.java	2015-03-18 20:42:42.626830100 +0300
+++ new/src/java.desktop/macosx/classes/sun/lwawt/LWWindowPeer.java	2015-03-18 20:42:42.119801100 +0300
@@ -1296,6 +1296,12 @@
         }
 
         KeyboardFocusManagerPeer kfmPeer = LWKeyboardFocusManagerPeer.getInstance();
+
+        if (!becomesFocused && kfmPeer.getCurrentFocusedWindow() != getTarget()) {
+            // late window focus lost event - ingoring
+            return;
+        }
+
         kfmPeer.setCurrentFocusedWindow(becomesFocused ? getTarget() : null);
 
         int eventID = becomesFocused ? WindowEvent.WINDOW_GAINED_FOCUS : WindowEvent.WINDOW_LOST_FOCUS;
--- old/src/java.desktop/macosx/classes/sun/lwawt/macosx/CEmbeddedFrame.java	2015-03-18 20:42:45.885016500 +0300
+++ new/src/java.desktop/macosx/classes/sun/lwawt/macosx/CEmbeddedFrame.java	2015-03-18 20:42:45.380987600 +0300
@@ -164,7 +164,7 @@
         }
         // 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);
         }
     }