[DevTools] Corresponding blue tag is seen faded out even though the breakpoint is enabled

Source/devtools/front_end/sources/JavaScriptBreakpointsSidebarPane.js

 // Copyright (c) 2015 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.
 
 /**
  * @constructor
  * @extends {WebInspector.SidebarPane}
  * @param {!WebInspector.BreakpointManager} breakpointManager
  * @param {function(!WebInspector.UISourceCode, number=, number=, boolean=)} showSourceLineDelegate
  */
@@ skipping 142 matching lines @@
     },
 
     /**
      * @param {!WebInspector.BreakpointManager.Breakpoint} breakpoint
      * @param {!Event} event
      */
     _breakpointCheckboxClicked: function(breakpoint, event)
     {
         // Breakpoint element has it's own click handler.
         event.consume();
-        breakpoint.setEnabled(event.target.checked);
+        breakpoint.setEnabled(event.target.checkboxElement.checked);
     },
 
     /**
      * @param {!WebInspector.BreakpointManager.Breakpoint} breakpoint
      * @param {!Event} event
      */
     _breakpointContextMenu: function(breakpoint, event)
     {
         var breakpoints = this._items.valuesArray();
         var contextMenu = new WebInspector.ContextMenu(event);
@@ skipping 68 matching lines @@
         this.listElement.removeChildren();
         if (this.listElement.parentElement) {
             this.element.removeChild(this.listElement);
             this.element.appendChild(this.emptyElement);
         }
         this._items.clear();
     },
 
     __proto__: WebInspector.SidebarPane.prototype
 }