DevTools: Fix the inspector/extensions/extensions-audits.html.

LayoutTests/inspector/extensions/extensions-audits-tests.js

Index: LayoutTests/inspector/extensions/extensions-audits-tests.js
diff --git a/LayoutTests/inspector/extensions/extensions-audits-tests.js b/LayoutTests/inspector/extensions/extensions-audits-tests.js
index 8772974611e80d052f83e085b1be9b6f6073ac96..f05e10d9aeab4d0b1c00e3a3a5a7050475199d65 100644
--- a/LayoutTests/inspector/extensions/extensions-audits-tests.js
+++ b/LayoutTests/inspector/extensions/extensions-audits-tests.js
@@ -12,11 +12,12 @@ var initialize_ExtensionsAuditsTest = function()
         launcherView._selectAllClicked(false);
         launcherView._auditPresentStateElement.checked = true;
 
-        var extensionCategories = document.evaluate("label[starts-with(.,'Extension ')]/input[@type='checkbox']",
-            WebInspector.panels.audits._launcherView._categoriesElement, null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
-
-        for (var i = 0; i < extensionCategories.snapshotLength; ++i)
-            extensionCategories.snapshotItem(i).click();
+        var extensionCategories = document.querySelectorAll(".audit-categories-container > label");
+        for (var i = 0; i < extensionCategories.length; ++i) {
+            var shouldBeEnabled = extensionCategories[i].textContent.includes("Extension");
+            if (shouldBeEnabled !== extensionCategories[i].checkboxElement.checked)
+                extensionCategories[i].checkboxElement.click();
+        }
 
         function onAuditsDone()
         {