[fsp] Cleanup handling errors for operation requests.

chrome/browser/chromeos/file_system_provider/request_value.cc

Index: chrome/browser/chromeos/file_system_provider/request_value.cc
diff --git a/chrome/browser/chromeos/file_system_provider/request_value.cc b/chrome/browser/chromeos/file_system_provider/request_value.cc
index 53744d21715bffe8b690f006336d3b71f097e488..73d98fc646e835bc390d5b4652b5c916fcee11a1 100644
--- a/chrome/browser/chromeos/file_system_provider/request_value.cc
+++ b/chrome/browser/chromeos/file_system_provider/request_value.cc
@@ -45,6 +45,14 @@ scoped_ptr<RequestValue> RequestValue::CreateForReadFileSuccess(
   return result.Pass();
 }
 
+scoped_ptr<RequestValue> RequestValue::CreateForOperationError(
+    scoped_ptr<extensions::api::file_system_provider_internal::
+                   OperationRequestedError::Params> params) {
+  scoped_ptr<RequestValue> result(new RequestValue);
+  result->operation_error_params_ = params.Pass();
+  return result.Pass();
+}
+
 scoped_ptr<RequestValue> RequestValue::CreateForTesting(
     const std::string& params) {
   scoped_ptr<RequestValue> result(new RequestValue);