MaybeNormalizePath  517 extensions/common/extension.cc   path_ = id_util::MaybeNormalizePath(path);
MaybeNormalizePath   49 extensions/common/id_util.cc   base::FilePath new_path = MaybeNormalizePath(path);
MaybeNormalizePath   30 extensions/common/id_util.h base::FilePath MaybeNormalizePath(const base::FilePath& path);