DevTools: [Console] migrate all of the smallIcons in consoleView.css

third_party/WebKit/Source/devtools/front_end/console/ConsoleViewMessage.js

 /*
  * Copyright (C) 2011 Google Inc.  All rights reserved.
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * 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
@@ skipping 1214 matching lines @@
  */
 Console.ConsoleGroupViewMessage = class extends Console.ConsoleViewMessage {
   /**
    * @param {!SDK.ConsoleMessage} consoleMessage
    * @param {!Components.Linkifier} linkifier
    * @param {number} nestingLevel
    */
   constructor(consoleMessage, linkifier, nestingLevel) {
     console.assert(consoleMessage.isGroupStartMessage());
     super(consoleMessage, linkifier, nestingLevel);
-    this.setCollapsed(consoleMessage.type === SDK.ConsoleMessage.MessageType.StartGroupCollapsed);
+    this._collapsed = consoleMessage.type === SDK.ConsoleMessage.MessageType.StartGroupCollapsed;
+    /** @type {?UI.Icon} */
+    this._expandGroupIcon = null;
   }
 
   /**
    * @param {boolean} collapsed
    */
   setCollapsed(collapsed) {
     this._collapsed = collapsed;
-    if (this._element)
-      this._element.classList.toggle('collapsed', this._collapsed);
+    if (this._expandGroupIcon)
+      this._expandGroupIcon.setIconType(this._collapsed ? 'smallicon-triangle-right' : 'smallicon-triangle-bottom');
   }
 
   /**
    * @return {boolean}
    */
   collapsed() {
     return this._collapsed;
   }
 
   /**
    * @override
    * @return {!Element}
    */
   toMessageElement() {
     if (!this._element) {
       super.toMessageElement();
-      this._element.classList.toggle('collapsed', this._collapsed);
+      this._expandGroupIcon = UI.Icon.create('', 'expand-group-icon');
+      this._contentElement.insertBefore(this._expandGroupIcon, this._contentElement.firstChild);
+      this.setCollapsed(this._collapsed);
     }
     return this._element;
   }
 };