Don't use a scoped_refptr for StringVar::FromPPVar

webkit/plugins/ppapi/npapi_glue.cc

Index: webkit/plugins/ppapi/npapi_glue.cc
diff --git a/webkit/plugins/ppapi/npapi_glue.cc b/webkit/plugins/ppapi/npapi_glue.cc
index 7e90a1e2276e9f61fd1ca8e764c95a7dc6fab62b..cdb49d57cfd193ed9e94a03ab646e2b740402a66 100644
--- a/webkit/plugins/ppapi/npapi_glue.cc
+++ b/webkit/plugins/ppapi/npapi_glue.cc
@@ -50,7 +50,7 @@ bool PPVarToNPVariant(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;
@@ -106,7 +106,7 @@ PP_Var NPVariantToPPVar(PluginInstance* instance, const NPVariant* variant) {
 NPIdentifier PPVarToNPIdentifier(PP_Var var) {
   switch (var.type) {
     case PP_VARTYPE_STRING: {
-      scoped_refptr<StringVar> string(StringVar::FromPPVar(var));
+      StringVar* string = StringVar::FromPPVar(var);
       if (!string)
         return NULL;
       return WebBindings::getStringIdentifier(string->value().c_str());
@@ -216,10 +216,9 @@ void PPResultAndExceptionToNPResult::IgnoreException() {
 
 // Throws the current exception to JS. The exception must be set.
 void PPResultAndExceptionToNPResult::ThrowException() {
-  scoped_refptr<StringVar> string(StringVar::FromPPVar(exception_));
-  if (string) {
+  StringVar* string = StringVar::FromPPVar(exception_);
+  if (string)
     WebBindings::setException(object_var_, string->value().c_str());
-  }
 }
 
 // PPVarArrayFromNPVariantArray ------------------------------------------------