DevTools: introduce sync checkmarks icons in StylesSidebarPane.

third_party/WebKit/Source/devtools/front_end/elements/StylesSidebarPane.js

 /*
  * Copyright (C) 2007 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
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 22 matching lines @@
 WebInspector.StylesSidebarPane = class extends WebInspector.ElementsSidebarPane {
   constructor() {
     super();
     this.setMinimumSize(96, 26);
 
     WebInspector.moduleSetting('colorFormat').addChangeListener(this.update.bind(this));
     WebInspector.moduleSetting('textEditorIndent').addChangeListener(this.update.bind(this));
 
     this._sectionsContainer = this.element.createChild('div');
     this._swatchPopoverHelper = new WebInspector.SwatchPopoverHelper();
-    this._linkifier = new WebInspector.Linkifier(WebInspector.StylesSidebarPane._maxLinkLength);
+    this._linkifier = new WebInspector.Linkifier(WebInspector.StylesSidebarPane._maxLinkLength, /* useLinkDecorator */ true);
 
     this.element.classList.add('styles-pane');
 
     /** @type {!Array<!WebInspector.SectionBlock>} */
     this._sectionBlocks = [];
     WebInspector.StylesSidebarPane._instance = this;
 
     WebInspector.targetManager.addModelListener(
         WebInspector.CSSModel, WebInspector.CSSModel.Events.LayoutEditorChange, this._onLayoutEditorChange, this);
     WebInspector.context.addFlavorChangeListener(WebInspector.DOMNode, this.forceUpdate, this);
@@ skipping 3017 matching lines @@
   }
 
   /**
    * @override
    * @return {!WebInspector.ToolbarItem}
    */
   item() {
     return this._button;
   }
 };