3868da720e91b02ebe3c9bf623d59d9dcac7f27d,platform/lang-impl/src/com/intellij/codeInsight/lookup/impl/LookupUi.java,LookupUi,LookupUi,#LookupImpl#Advertiser#JBList#Project#,86
Before Change
myScrollBarIncreaseButton.setFocusable(false);
myScrollBarIncreaseButton.setRequestFocusEnabled(false);
myScrollPane = new JBScrollPane(lookup.getList());
myScrollPane.setViewportBorder(JBUI.Borders.empty());
myScrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
myScrollPane.getVerticalScrollBar().setPreferredSize(new Dimension(13, -1));
After Change
adComponent.setBorder(new EmptyBorder(0, 1, 1, 2 + AllIcons.Ide.LookupRelevance.getIconWidth()));
myLayeredPane.mainPanel.add(adComponent, BorderLayout.SOUTH);
myScrollPane = ScrollPaneFactory.createScrollPane(lookup.getList(), true);
myScrollPane.setHorizontalScrollBarPolicy(ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
lookup.getComponent().add(myLayeredPane, BorderLayout.CENTER);