DevTools: Get rid of redundant default selection during inspectElement

LayoutTests/inspector/sources/debugger/debugger-command-line-api.html

Index: LayoutTests/inspector/sources/debugger/debugger-command-line-api.html
diff --git a/LayoutTests/inspector/sources/debugger/debugger-command-line-api.html b/LayoutTests/inspector/sources/debugger/debugger-command-line-api.html
index 0b856910851388c76bee717b15e708bb3395aa62..70e1ba7b8c243eb3dfd12c183c9940b73c0305e7 100644
--- a/LayoutTests/inspector/sources/debugger/debugger-command-line-api.html
+++ b/LayoutTests/inspector/sources/debugger/debugger-command-line-api.html
@@ -12,10 +12,13 @@ function testFunction()
 var test = function()
 {
     InspectorTest.addSniffer(WebInspector, "inspect", inspect);
-    InspectorTest.addSniffer(WebInspector, "_updateFocusedNode", updateFocusedNode);
+    InspectorTest.addSniffer(WebInspector.Revealer, "reveal", updateFocusedNode);
 
-    function updateFocusedNode()
+    function updateFocusedNode(node)
     {
+        if (!(node instanceof WebInspector.DOMNode))
+            return;
+
         InspectorTest.addResult("Selected node id: '" + WebInspector.panels.elements.selectedDOMNode().getAttribute("id") + "'.");
         InspectorTest.completeDebuggerTest();
     }