DevTools: element's panel gutter icon to not capture click events

third_party/WebKit/Source/devtools/front_end/elements/elementsTreeOutline.css

 /*
  * Copyright (c) 2014 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 .elements-disclosure {
     width: 100%;
     display: inline-block;
     line-height: normal;
@@ skipping 320 matching lines @@
     display: none;
     transform: rotate(-90deg) scale(0.8);
     background-color: white;
     position: relative;
     left: -7px;
     top: -3px;
 }
 
 .elements-disclosure li.selected .gutter-container:not(.has-decorations) .gutter-menu-icon {
     display: block;
+    pointer-events: none;
 }
 
 /** Guide line */
 li.selected {
     z-index: 0;
 }
 
 li.hovered:not(.always-parent) + ol.children, .elements-tree-outline ol.shadow-root, li.selected:not(.always-parent) + ol.children {
     margin-left: 5px;
     -webkit-padding-start: 6px;
     border-width: 1px;
     border-left-style: solid;
 }
 
 li.hovered:not(.always-parent) + ol.children:not(.shadow-root) {
     border-color: hsla(0,0%,0%,0.1);
 }
 
 .elements-tree-outline ol.shadow-root {
     border-color: hsla(0,0%,80%,1);
 }
 
 li.selected:not(.always-parent) + ol.children {
     border-color: hsla(216,68%,80%,1) !important;
 }