message: JsonStringToMessage from ProtobufUtil to Protobuf::util. Check returned Status.
diff: @@ -55,7 +55,7 @@ TEST_P(BufferIntegrationTest, RouterRequestBufferLimitExceeded) {
  ConfigHelper::HttpModifierFunction overrideConfig(const std::string& json_config) {
  ProtobufWkt::Struct pfc;
  - ProtobufUtil::JsonStringToMessage(json_config, &pfc);
  + RELEASE_ASSERT(Protobuf::util::JsonStringToMessage(json_config, &pfc).ok());
  return
  [pfc](
  