DevTools: [SSP] treat new rules out of style cascade.

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 1652 matching lines @@
 WebInspector.BlankStylePropertiesSection = function(stylesPane, cascade, defaultSelectorText, styleSheetId, ruleLocation, insertAfterStyle)
 {
     var rule = WebInspector.CSSRule.createDummyRule(stylesPane._cssModel, defaultSelectorText);
     WebInspector.StylePropertiesSection.call(this, stylesPane, cascade, rule.style);
     this._ruleLocation = ruleLocation;
     this._styleSheetId = styleSheetId;
     this._selectorRefElement.removeChildren();
     this._selectorRefElement.appendChild(WebInspector.StylePropertiesSection._linkifyRuleLocation(this._parentPane._cssModel, this._parentPane._linkifier, styleSheetId, this._actualRuleLocation()));
     if (insertAfterStyle && insertAfterStyle.parentRule)
         this._createMediaList(insertAfterStyle.parentRule.media);
-    this._insertAfterStyle = insertAfterStyle;
     this.element.classList.add("blank-section");
 }
 
 WebInspector.BlankStylePropertiesSection.prototype = {
     /**
      * @return {!WebInspector.TextRange}
      */
     _actualRuleLocation: function()
     {
         var prefix = this._rulePrefix();
@@ skipping 87 matching lines @@
         this._editingSelectorEnded();
         this._parentPane.removeSection(this);
     },
 
     /**
      * @param {!WebInspector.CSSRule} newRule
      */
     _makeNormal: function(newRule)
     {
         this.element.classList.remove("blank-section");
-        this._cascade.insertStyle(newRule.style, this._insertAfterStyle);
         this._style = newRule.style;
-
         // FIXME: replace this instance by a normal WebInspector.StylePropertiesSection.
         this._normal = true;
     },
 
     __proto__: WebInspector.StylePropertiesSection.prototype
 }
 
 /**
  * @constructor
  * @extends {TreeElement}
@@ skipping 1216 matching lines @@
     WebInspector.context.addFlavorChangeListener(WebInspector.DOMNode, onNodeChanged);
     onNodeChanged();
     return button;
 
     function onNodeChanged()
     {
         var node = WebInspector.context.flavor(WebInspector.DOMNode);
         button.setEnabled(!!node);
     }
 }