Cleanup: merge nested ifs

platform/lang-impl/src/com/intellij/codeInsight/daemon/impl/PsiElementListNavigator.java

@@ -1,18 +1,4 @@
-/*
- * Copyright 2000-2016 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package com.intellij.codeInsight.daemon.impl;
 
@@ -167,7 +153,7 @@ public class PsiElementListNavigator {
     final JBPopup popup = popupChooserBuilder.createPopup();
     if (builder instanceof PopupChooserBuilder) {
       JBList<NavigatablePsiElement> list = (JBList)((PopupChooserBuilder)builder).getChooserComponent();
-      list.setTransferHandler(new TransferHandler(){
+      list.setTransferHandler(new TransferHandler() {
         @Override
         protected Transferable createTransferable(JComponent c) {
           final Object[] selectedValues = list.getSelectedValues();
@@ -183,8 +169,7 @@ public class PsiElementListNavigator {
           return COPY;
         }
       });
-    }
-    if (builder instanceof PopupChooserBuilder) {
+
       JScrollPane pane = ((PopupChooserBuilder)builder).getScrollPane();
       pane.setBorder(null);
       pane.setViewportBorder(null);