Don't use a scoped_refptr for StringVar::FromPPVar

webkit/plugins/ppapi/message_channel.cc

Index: webkit/plugins/ppapi/message_channel.cc
diff --git a/webkit/plugins/ppapi/message_channel.cc b/webkit/plugins/ppapi/message_channel.cc
index 71368a6fcd16a71cfd370014c451c47bd4229ce7..33eacfa21383862e682b6233b6fe09beffde7eab 100644
--- a/webkit/plugins/ppapi/message_channel.cc
+++ b/webkit/plugins/ppapi/message_channel.cc
@@ -69,7 +69,7 @@ bool PPVarToNPVariantNoCopy(PP_Var var, NPVariant* result) {
       DOUBLE_TO_NPVARIANT(var.value.as_double, *result);
       break;
     case PP_VARTYPE_STRING: {
-      scoped_refptr<StringVar> string(StringVar::FromPPVar(var));
+      StringVar* string = StringVar::FromPPVar(var);
       if (!string) {
         VOID_TO_NPVARIANT(*result);
         return false;
@@ -102,7 +102,7 @@ PP_Var CopyPPVar(const PP_Var& var) {
     NOTIMPLEMENTED();
     return PP_MakeUndefined();
   } else if (var.type == PP_VARTYPE_STRING) {
-    scoped_refptr<StringVar> string(StringVar::FromPPVar(var));
+    StringVar* string = StringVar::FromPPVar(var);
     if (!string)
       return PP_MakeUndefined();
     return StringVar::StringToPPVar(string->pp_module(), string->value());