Devtools: Add new row in toolbarButtonGlyphs and layout editor icon

Source/devtools/front_end/console/consoleView.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 92 matching lines @@
     position: absolute;
     display: block;
     content: "";
     left: -17px;
     top: 9px;
     width: 10px;
     height: 10px;
     margin-top: -4px;
     -webkit-user-select: none;
     background-image: url(Images/toolbarButtonGlyphs.png);
-    background-size: 352px 144px;
+    background-size: 352px 168px;
 }
 
 @media (-webkit-min-device-pixel-ratio: 1.5) {
 .console-message::before,
 .console-user-command::before,
 #console-prompt::before,
 .console-group-title::before {
     background-image: url(Images/toolbarButtonGlyphs_2x.png);
 }
 } /* media */
@@ skipping 56 matching lines @@
     margin-left: 16px;
 }
 
 .console-group-title {
     font-weight: bold;
 }
 
 .console-group-title::before {
     -webkit-user-select: none;
     -webkit-mask-image: url(Images/toolbarButtonGlyphs.png);
-    -webkit-mask-size: 352px 144px;
+    -webkit-mask-size: 352px 168px;
     float: left;
     width: 8px;
     content: "a";
     color: transparent;
     text-shadow: none;
     margin-left: 3px;
     margin-top: -7px;
 }
 
 @media (-webkit-min-device-pixel-ratio: 1.5) {
@@ skipping 84 matching lines @@
 .console-message.console-warning-level {
     background-color: rgb(255, 250, 224);
 }
 
 .console-error-level .console-message::before,
 .console-revokedError-level .console-message::before,
 .console-warning-level .console-message::before,
 .console-debug-level .console-message::before,
 .console-info-level .console-message::before {
     background-image: url(Images/toolbarButtonGlyphs.png);
-    background-size: 352px 144px;
+    background-size: 352px 168px;
     width: 10px;
     height: 10px;
 }
 
 @media (-webkit-min-device-pixel-ratio: 1.5) {
 .console-error-level .console-message::before,
 .console-revokedError-level .console-message::before,
 .console-warning-level .console-message::before,
 .console-debug-level .console-message::before,
 .console-info-level .console-message::before {
@@ skipping 136 matching lines @@
     font-size: 9px;
 }
 
 .object-info-state-note::before {
     content: "i";
 }
 
 .console-view-object-properties-section:not(.expanded) .object-info-state-note {
     display: none;
 }