Merge 96341 - We should ignore the return value of GetRealNamedProperty

Source/WebCore/bindings/v8/custom/V8DOMWindowCustom.cpp

Index: Source/WebCore/bindings/v8/custom/V8DOMWindowCustom.cpp
===================================================================
--- Source/WebCore/bindings/v8/custom/V8DOMWindowCustom.cpp	(revision 96369)
+++ Source/WebCore/bindings/v8/custom/V8DOMWindowCustom.cpp	(working copy)
@@ -499,9 +499,8 @@
         return toV8(child->domWindow());
 
     // Search IDL functions defined in the prototype
-    v8::Handle<v8::Value> result = info.Holder()->GetRealNamedProperty(name);
-    if (!result.IsEmpty())
-        return result;
+    if (!info.Holder()->GetRealNamedProperty(name).IsEmpty())
+        return notHandledByInterceptor();
 
     // Search named items in the document.
     Document* doc = frame->document();