Speculative fix for HTML minimizer unicode exception. (#1356)
Speculative fix for HTML minimizer unicode exception. (#1356)

* Speculative fix for HTML minimizer unicode exception.

* Ensure that combine_tokens returns bytes.

google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz,google/clusterfuzz