Devtools: Add new row in toolbarButtonGlyphs and layout editor icon

Source/devtools/front_end/profiler/profilesPanel.css

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Anthony Ricaud <rik@webkit.org>
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 117 matching lines @@
     text-align: center;
 }
 
 .profile-node-file {
     float: right;
     color: gray;
 }
 
 .profile-warn-marker {
     background-image: url(Images/toolbarButtonGlyphs.png);
-    background-size: 352px 144px;
+    background-size: 352px 168px;
     background-position: -202px -107px;
     width: 10px;
     height: 10px;
     vertical-align: -1px;
     margin-right: 2px;
     display: inline-block;
 }
 
 .data-grid tr.selected .profile-node-file {
     color: rgb(33%, 33%, 33%);
@@ skipping 105 matching lines @@
     bottom: 0;
 }
 
 #cpu-profile-flame-chart-overview-grid .resources-dividers-label-bar {
     pointer-events: auto;
 }
 
 .cpu-profile-flame-chart-overview-pane {
     flex: 0 0 80px !important;
 }