message: Use an anonymous namespace for helper functions
diff: @@ -20,7 +20,7 @@ limitations under the License.
  #include "tensorflow/java/src/gen/cc/op_generator.h"
  namespace tensorflow {
  -namespace op_gen {
  +namespace {
  string CamelCase(const string& str, char delimiter, bool upper) {
  string result;
  @@ -39,7 +39,7 @@ string CamelCase(const string& str, char delimiter, bool upper) {
  return result;
  }
  -} // namespace op_gen
  +} // namespace
  OpGenerator::OpGenerator()
  : env(Env::Default()) {
  @@ -53,7 +53,7 @@ Status OpGenerator::Run(const OpList& ops, const string& lib_name,
  base_package + '.' + str_util::StringReplace(lib_name, "_", "", true);
  const string package_path =
  output_dir + '/' + str_util::StringReplace(package, ".", "/", true);
  - const string group = op_gen::CamelCase(lib_name, '_', false);
  + const string group = CamelCase(lib_name, '_', false);
  if (!env->FileExists(package_path).ok()) {
  TF_CHECK_OK(env->RecursivelyCreateDir(package_path));
  