[DevTools] Focus sidebar trees in certain panels by default.

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

Index: third_party/WebKit/Source/devtools/front_end/security/SecurityPanel.js
diff --git a/third_party/WebKit/Source/devtools/front_end/security/SecurityPanel.js b/third_party/WebKit/Source/devtools/front_end/security/SecurityPanel.js
index f6d962ec2f02011b2222a51995f649922733f3cd..0932fa7e7787305ef26707fd280db372be4d7a5c 100644
--- a/third_party/WebKit/Source/devtools/front_end/security/SecurityPanel.js
+++ b/third_party/WebKit/Source/devtools/front_end/security/SecurityPanel.js
@@ -16,7 +16,6 @@ WebInspector.SecurityPanel = function()
     this._sidebarMainViewElement = new WebInspector.SecurityPanelSidebarTreeElement(WebInspector.UIString("Overview"), this._setVisibleView.bind(this, this._mainView), "security-main-view-sidebar-tree-item", "lock-icon");
     this._sidebarTree = new WebInspector.SecurityPanelSidebarTree(this._sidebarMainViewElement, this.showOrigin.bind(this));
     this.panelSidebarElement().appendChild(this._sidebarTree.element);
-    this.setDefaultFocusedElement(this._sidebarTree.contentElement);
 
     /** @type {!Map<!NetworkAgent.LoaderId, !WebInspector.NetworkRequest>} */
     this._lastResponseReceivedForLoaderId = new Map();
@@ -43,7 +42,6 @@ WebInspector.SecurityPanel.Origin;
 WebInspector.SecurityPanel.OriginState;
 
 WebInspector.SecurityPanel.prototype = {
-
     /**
      * @param {!SecurityAgent.SecurityState} securityState
      */
@@ -110,6 +108,14 @@ WebInspector.SecurityPanel.prototype = {
     },
 
     /**
+     * @override
+     */
+    focus: function()
+    {
+        this._sidebarTree.focus();
+    },
+
+    /**
      * @param {!WebInspector.VBox} view
      */
     _setVisibleView: function(view)