CHexEscape        334 third_party/protobuf/src/google/protobuf/compiler/python/python_generator.cc       "value", strings::CHexEscape(file_descriptor_serialized_));
CHexEscape        283 third_party/protobuf/src/google/protobuf/stubs/strutil.h LIBPROTOBUF_EXPORT string CHexEscape(const string& src);