From 2349cdbb3b21389e10db03e1c4508944d9784482 Mon Sep 17 00:00:00 2001
From: Anton Tarasov <anton.tarasov@jetbrains.com>
Date: Thu, 12 May 2016 21:05:25 +0300
Subject: [PATCH] reset FocusWatcher.myTopComponent to null

The field is set in install() and should probably be reset symmetrically in deinstall(), otherwise it may hold UI objects.
---
 platform/util/src/com/intellij/openapi/wm/FocusWatcher.java | 1 +
 1 file changed, 1 insertion(+)

diff --git a/platform/util/src/com/intellij/openapi/wm/FocusWatcher.java b/platform/util/src/com/intellij/openapi/wm/FocusWatcher.java
index 991c1f9fe706..f921da45aa11 100644
--- a/platform/util/src/com/intellij/openapi/wm/FocusWatcher.java
+++ b/platform/util/src/com/intellij/openapi/wm/FocusWatcher.java
@@ -89,6 +89,7 @@ public class FocusWatcher implements ContainerListener,FocusListener{
     if(getFocusedComponent() ==component){
       setFocusedComponentImpl(null, cause);
     }
+    myTopComponent = null;
   }
 
   @Override