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

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

 // Copyright (c) 2014 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
  * @param {!WebInspector.CSSStyleModel.MatchedStyleResult} matchedStyles
  * @param {!Array<!WebInspector.CSSStyleDeclaration>} styles
  */
 WebInspector.SectionCascade = function(matchedStyles, styles)
@@ skipping 70 matching lines @@
 
     /**
      * @return {!Array.<!WebInspector.CSSStyleDeclaration>}
      */
     styles: function()
     {
         return this._styles;
     },
 
     /**
-     * @param {!WebInspector.CSSStyleDeclaration} style
-     * @param {!WebInspector.CSSStyleDeclaration=} insertAfter
-     */
-    insertStyle: function(style, insertAfter)
-    {
-        if (insertAfter) {
-            var index = this._styles.indexOf(insertAfter);
-            console.assert(index !== -1, "The insertAfter anchor could not be found in cascade");
-            this._styles.splice(index + 1, 0, style);
-        } else {
-            this._styles.push(style);
-        }
-        this.resetActiveProperties();
-    },
-
-    /**
      * @param {!WebInspector.CSSProperty} property
      * @return {?WebInspector.SectionCascade.PropertyState}
      */
     propertyState: function(property)
     {
         if (this._propertiesState.size === 0)
             this._propertiesState = this._computeActiveProperties();
         return this._propertiesState.get(property) || null;
     },
 
@@ skipping 96 matching lines @@
         }
         return result;
     }
 }
 
 /** @enum {string} */
 WebInspector.SectionCascade.PropertyState = {
     Active: "Active",
     Overloaded: "Overloaded"
 }