DevTools: do not allow using 'this' before call into super.

third_party/WebKit/Source/devtools/front_end/security/SecurityPanel.js

 // Copyright 2015 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
  * @extends {WebInspector.PanelWithSidebar}
  * @implements {WebInspector.TargetManager.Observer}
  */
 WebInspector.SecurityPanel = function()
@@ skipping 385 matching lines @@
 };
 
 /**
  * @constructor
  * @extends {TreeOutlineInShadow}
  * @param {!WebInspector.SecurityPanelSidebarTreeElement} mainViewElement
  * @param {function(!WebInspector.SecurityPanel.Origin)} showOriginInPanel
  */
 WebInspector.SecurityPanelSidebarTree = function(mainViewElement, showOriginInPanel)
 {
-    this._showOriginInPanel = showOriginInPanel;
-
-    this._mainOrigin = null;
-
     TreeOutlineInShadow.call(this);
     this.registerRequiredCSS("security/sidebar.css");
     this.registerRequiredCSS("security/lockIcon.css");
+    this.appendChild(mainViewElement);
 
-    this.appendChild(mainViewElement);
+    this._showOriginInPanel = showOriginInPanel;
+    this._mainOrigin = null;
 
     /** @type {!Map<!WebInspector.SecurityPanelSidebarTree.OriginGroupName, !TreeElement>} */
     this._originGroups = new Map();
 
     for (var key in WebInspector.SecurityPanelSidebarTree.OriginGroupName) {
         var originGroupName = WebInspector.SecurityPanelSidebarTree.OriginGroupName[key];
         var originGroup = new TreeElement(originGroupName, true);
         originGroup.selectable = false;
         originGroup.expand();
         originGroup.listItemElement.classList.add("security-sidebar-origins");
@@ skipping 426 matching lines @@
 
 /**
  * @constructor
  * @extends {WebInspector.VBox}
  * @param {!WebInspector.SecurityPanel} panel
  * @param {!WebInspector.SecurityPanel.Origin} origin
  * @param {!WebInspector.SecurityPanel.OriginState} originState
  */
 WebInspector.SecurityOriginView = function(panel, origin, originState)
 {
+    WebInspector.VBox.call(this);
     this._panel = panel;
-    WebInspector.VBox.call(this);
     this.setMinimumSize(200, 100);
 
     this.element.classList.add("security-origin-view");
     this.registerRequiredCSS("security/originView.css");
     this.registerRequiredCSS("security/lockIcon.css");
 
     var titleSection = this.element.createChild("div", "title-section");
     var originDisplay = titleSection.createChild("div", "origin-display");
     this._originLockIcon = originDisplay.createChild("span", "security-property");
     this._originLockIcon.classList.add("security-property-" + originState.securityState);
@@ skipping 202 matching lines @@
         row.createChild("div").textContent = key;
 
         var valueDiv = row.createChild("div");
         if (typeof value === "string") {
             valueDiv.textContent = value;
         } else {
             valueDiv.appendChild(value);
         }
     }
 };