Support union return type for anonymous named/indexed getter

Source/bindings/tests/results/V8TestObject.cpp

Index: Source/bindings/tests/results/V8TestObject.cpp
diff --git a/Source/bindings/tests/results/V8TestObject.cpp b/Source/bindings/tests/results/V8TestObject.cpp
index 604ac1076004b94dd463a262023cd03223fd5fd6..e299e6040e0eacc184f97ea465d68a40885605b5 100644
--- a/Source/bindings/tests/results/V8TestObject.cpp
+++ b/Source/bindings/tests/results/V8TestObject.cpp
@@ -28,6 +28,7 @@
 #include "V8Document.h"
 #include "V8Float32Array.h"
 #include "V8Node.h"
+#include "V8NodeList.h"
 #include "V8SVGDocument.h"
 #include "V8SVGPoint.h"
 #include "V8ScriptProfile.h"
@@ -2553,7 +2554,7 @@ static v8::Handle<v8::Value> namedItemMethod(const v8::Arguments& args)
         return throwNotEnoughArgumentsError(args.GetIsolate());
     TestObj* imp = V8TestObject::toNative(args.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE(V8StringResource<>, name, args[0]);
-    return v8String(imp->namedItem(name), args.GetIsolate(), ReturnUnsafeHandle);
+    return toV8(imp->namedItem(name), args.Holder(), args.GetIsolate());
 }
 
 static v8::Handle<v8::Value> namedItemMethodCallback(const v8::Arguments& args)
@@ -4301,10 +4302,17 @@ v8::Handle<v8::Value> V8TestObject::indexedPropertyGetter(uint32_t index, const
 {
     ASSERT(V8DOMWrapper::maybeDOMWrapper(info.Holder()));
     TestObj* collection = toNative(info.Holder());
-    RefPtr<Node> element = collection->item(index);
-    if (!element)
+    WTF::UnionType2<NodeList, Node> element = collection->item(index);
+    if (element.isNull())
         return v8Undefined();
-    return toV8Fast(element.release(), info, collection);
+
+    v8::Handle<v8::Value> jsValue;
+    if (element.isValue0Enabled())
+        jsValue = toV8Fast(element.getValue0(), info, collection);
+    if (element.isValue1Enabled())
+        jsValue = toV8Fast(element.getValue1(), info, collection);
+
+    return jsValue;
 }
 
 v8::Handle<v8::Value> V8TestObject::namedPropertyGetter(v8::Local<v8::String> name, const v8::AccessorInfo& info)
@@ -4317,10 +4325,13 @@ v8::Handle<v8::Value> V8TestObject::namedPropertyGetter(v8::Local<v8::String> na
     ASSERT(V8DOMWrapper::maybeDOMWrapper(info.Holder()));
     TestObj* collection = toNative(info.Holder());
     AtomicString propertyName = toWebCoreAtomicString(name);
-    String element = collection->namedItem(propertyName);
-    if (element.isNull())
+    RefPtr<Node> element = collection->namedItem(propertyName);
+    if (!element)
         return v8Undefined();
-    return v8String(element, info.GetIsolate());
+
+    v8::Handle<v8::Value> jsValue;
+    jsValue = toV8Fast(element.release(), info, collection);
+    return jsValue;
 }
 
 static v8::Persistent<v8::FunctionTemplate> ConfigureV8TestObjectTemplate(v8::Persistent<v8::FunctionTemplate> desc, v8::Isolate* isolate, WrapperWorldType currentWorldType)