[DevTools] Remove SidebarTreeElement from SecurityPanel.

third_party/WebKit/LayoutTests/http/tests/inspector/security-test.js

Index: third_party/WebKit/LayoutTests/http/tests/inspector/security-test.js
diff --git a/third_party/WebKit/LayoutTests/http/tests/inspector/security-test.js b/third_party/WebKit/LayoutTests/http/tests/inspector/security-test.js
index bed4d4dcd2937eb182bb8a86c9d33a71744b08b9..7131d1d551a139dc2c8de9ad53b48d5e7c4832f6 100644
--- a/third_party/WebKit/LayoutTests/http/tests/inspector/security-test.js
+++ b/third_party/WebKit/LayoutTests/http/tests/inspector/security-test.js
@@ -5,12 +5,13 @@ InspectorTest.preloadPanel("security");
 InspectorTest.dumpSecurityPanelSidebarOrigins = function() {
     for (var key in WebInspector.SecurityPanelSidebarTree.OriginGroupName) {
         var originGroupName = WebInspector.SecurityPanelSidebarTree.OriginGroupName[key];
-        var originTitles = WebInspector.SecurityPanel._instance()._sidebarTree._originGroups.get(originGroupName).childrenListElement.getElementsByClassName("title");
-        if (originTitles.length > 0) {
-            InspectorTest.addResult("Group: " + originGroupName);
-            for (var originTitle of originTitles)
-                InspectorTest.dumpDeepInnerHTML(originTitle);
-        }
+        var originGroup = WebInspector.SecurityPanel._instance()._sidebarTree._originGroups.get(originGroupName);
+        if (originGroup.hidden)
+            continue;
+        InspectorTest.addResult("Group: " + originGroupName);
+        var originTitles = originGroup.childrenListElement.getElementsByClassName("title");
+        for (var originTitle of originTitles)
+            InspectorTest.dumpDeepInnerHTML(originTitle);
     }
 }