From c22d69b11e9faee73c32035415468eeec5d7eca2 Mon Sep 17 00:00:00 2001
From: "Maxim.Mossienko" <Maxim.Mossienko@jetbrains.com>
Date: Fri, 17 Nov 2017 20:04:59 +0100
Subject: [PATCH] [performance] cache icon that IDE uses often

---
 .../intellij/openapi/actionSystem/ex/ComboBoxAction.java    | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/platform/platform-api/src/com/intellij/openapi/actionSystem/ex/ComboBoxAction.java b/platform/platform-api/src/com/intellij/openapi/actionSystem/ex/ComboBoxAction.java
index 6bc25b8d46c3..681823348df0 100644
--- a/platform/platform-api/src/com/intellij/openapi/actionSystem/ex/ComboBoxAction.java
+++ b/platform/platform-api/src/com/intellij/openapi/actionSystem/ex/ComboBoxAction.java
@@ -49,10 +49,14 @@ import java.beans.PropertyChangeListener;
 public abstract class ComboBoxAction extends AnAction implements CustomComponentAction {
   private static Icon myIcon = null;
   private static Icon myDisabledIcon = null;
+  private static Icon myWin10ComboDropTriagleIcon = null;
 
   public static Icon getArrowIcon(boolean enabled) {
     if (UIUtil.isUnderWin10LookAndFeel()) {
-      return IconLoader.getIcon("/com/intellij/ide/ui/laf/icons/win10/comboDropTriangle.png");
+      if (myWin10ComboDropTriagleIcon == null) {
+        myWin10ComboDropTriagleIcon = IconLoader.getIcon("/com/intellij/ide/ui/laf/icons/win10/comboDropTriangle.png");
+      }
+      return myWin10ComboDropTriagleIcon;
     }
     Icon icon = UIUtil.isUnderDarcula() ? AllIcons.General.ComboArrow : AllIcons.General.ComboBoxButtonArrow;
     if (myIcon != icon) {