DevTools: remove dead code, disambiguate expand for sections.

third_party/WebKit/Source/devtools/front_end/audits/AuditResultView.js

 /*
  * Copyright (C) 2009 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 62 matching lines @@
         return result;
     }
 
     categoryResult.ruleResults.sort(ruleSorter);
 
     for (var i = 0; i < categoryResult.ruleResults.length; ++i) {
         var ruleResult = categoryResult.ruleResults[i];
         var treeElement = this._appendResult(this._treeOutline.rootElement(), ruleResult, ruleResult.severity);
         treeElement.listItemElement.classList.add("audit-result");
     }
-    this.expand();
+    this.expandPane();
 }
 
 WebInspector.AuditCategoryResultPane.prototype = {
     /**
      * @param {!TreeElement} parentTreeNode
      * @param {!WebInspector.AuditRuleResult} result
      * @param {?WebInspector.AuditRule.Severity=} severity
      */
     _appendResult: function(parentTreeNode, result, severity)
     {
@@ skipping 29 matching lines @@
         if (result.expanded) {
             treeElement.listItemElement.classList.remove("parent");
             treeElement.listItemElement.classList.add("parent-expanded");
             treeElement.expand();
         }
         return treeElement;
     },
 
     __proto__: WebInspector.SidebarPane.prototype
 }