Remove redundant checks for hasOwnProperty being defined

LayoutTests/http/tests/inspector/inspector-test.js

Index: LayoutTests/http/tests/inspector/inspector-test.js
diff --git a/LayoutTests/http/tests/inspector/inspector-test.js b/LayoutTests/http/tests/inspector/inspector-test.js
index 5a23464a3f7960df04e2e916dd3ba553dfd59b12..d31f7830df701adfe3235021fa907af05667d376 100644
--- a/LayoutTests/http/tests/inspector/inspector-test.js
+++ b/LayoutTests/http/tests/inspector/inspector-test.js
@@ -189,7 +189,7 @@ InspectorTest.addObject = function(object, customFormatters, prefix, firstLinePr
     propertyNames.sort();
     for (var i = 0; i < propertyNames.length; ++i) {
         var prop = propertyNames[i];
-        if (typeof object.hasOwnProperty === "function" && !object.hasOwnProperty(prop))
+        if (!object.hasOwnProperty(prop))
             continue;
         var prefixWithName = "    " + prefix + prop + " : ";
         var propValue = object[prop];