DevTools: Tooltip is shown wrong on hovering the mouse over element state marker in Elements tab.

third_party/WebKit/Source/devtools/front_end/sdk/CSSModel.js

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 353 matching lines @@
         var pseudoClasses = node.marker(WebInspector.CSSModel.PseudoStateMarker) || [];
         if (enable) {
             if (pseudoClasses.indexOf(pseudoClass) >= 0)
                 return false;
             pseudoClasses.push(pseudoClass);
             node.setMarker(WebInspector.CSSModel.PseudoStateMarker, pseudoClasses);
         } else {
             if (pseudoClasses.indexOf(pseudoClass) < 0)
                 return false;
             pseudoClasses.remove(pseudoClass);
-            if (!pseudoClasses.length)
+            if (pseudoClasses.length)
+                node.setMarker(WebInspector.CSSModel.PseudoStateMarker, pseudoClasses);
+            else
                 node.setMarker(WebInspector.CSSModel.PseudoStateMarker, null);
         }
 
         this._agent.forcePseudoState(node.id, pseudoClasses);
         this.dispatchEventToListeners(WebInspector.CSSModel.Events.PseudoStateForced, { node: node, pseudoClass: pseudoClass, enable: enable });
         return true;
     },
 
     /**
      * @param {!WebInspector.DOMNode} node
@@ skipping 488 matching lines @@
 /**
  * @constructor
  * @param {?WebInspector.CSSStyleDeclaration} inlineStyle
  * @param {?WebInspector.CSSStyleDeclaration} attributesStyle
  */
 WebInspector.CSSModel.InlineStyleResult = function(inlineStyle, attributesStyle)
 {
     this.inlineStyle = inlineStyle;
     this.attributesStyle = attributesStyle;
 }