DevTools: revert back ComputedStylesSidebar

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.SectionCascade} cascade
  * @param {?WebInspector.CSSRule} rule
  * @param {!WebInspector.CSSStyleDeclaration} style
  * @param {string} customSelectorText
@@ skipping 142 matching lines @@
             style.parentRule = this._rule;
             this._rule.style = style;
         }
         this._cascade._resetUsedProperties();
     },
 
     /**
      * @param {string} propertyName
      * @return {boolean}
      */
+    isPropertyInCascade: function(propertyName)
+    {
+        if (!this.hasMatchingSelectors())
+            return false;
+        if (this.inherited() && !WebInspector.CSSMetadata.isPropertyInherited(propertyName))
+            return false;
+        return true;
+    },
+
+    /**
+     * @param {string} propertyName
+     * @return {boolean}
+     */
     isPropertyOverloaded: function(propertyName)
     {
-        if (!this.hasMatchingSelectors())
+        if (!this.isPropertyInCascade(propertyName))
             return false;
-        if (this.inherited() && !WebInspector.CSSMetadata.isPropertyInherited(propertyName))
-            return false;
-
         var usedProperties = this._cascade._usedPropertiesForModel(this);
         var canonicalName = WebInspector.CSSMetadata.canonicalPropertyName(propertyName);
         return !usedProperties.has(canonicalName);
     }
 }
 
 /**
  * @constructor
  */
 WebInspector.SectionCascade = function()
@@ skipping 170 matching lines @@
                 notUsed = notUsed && !styleRuleUsedProperties.has(longhandCanonicalName);
             }
             if (!notUsed)
                 continue;
             styleRuleUsedProperties.delete(canonicalName);
             allUsedProperties.delete(canonicalName);
         }
     }
     return stylesUsedProperties;
 }