Use v8AtomicString instead of v8::String::NewFromUtf8

Source/bindings/v8/NPV8Object.cpp

Index: Source/bindings/v8/NPV8Object.cpp
diff --git a/Source/bindings/v8/NPV8Object.cpp b/Source/bindings/v8/NPV8Object.cpp
index 64463bae8363c19cd9380d0a6ccca8dd1319b25f..99e5e0c2cc3957f9025d0bf3976b4d59e5e12aea 100644
--- a/Source/bindings/v8/NPV8Object.cpp
+++ b/Source/bindings/v8/NPV8Object.cpp
@@ -542,7 +542,7 @@ bool _NPN_Enumerate(NPP npp, NPObject* npObject, NPIdentifier** identifier, uint
             "  }"
             "  return props;"
             "});";
-        v8::Handle<v8::String> source = v8::String::NewFromUtf8(isolate, enumeratorCode);
+        v8::Handle<v8::String> source = v8AtomicString(isolate, enumeratorCode);
         v8::Handle<v8::Value> result = V8ScriptRunner::compileAndRunInternalScript(source, context->GetIsolate());
         ASSERT(!result.IsEmpty());
         ASSERT(result->IsFunction());