tree 4f2beef2fdd10f0f60e7e9b0a37a6b66ae81bf16
parent 7f30e36a53896133b86c9e5ada33f293f66b9afe
author bnc <bnc@google.com> 1642719238 -0800
committer Copybara-Service <copybara-worker@google.com> 1642719284 -0800

Do not crash if `qpack_decoded_headers_accumulator_` is nullptr.

1. Do not crash if QuicSpdyStream::OnHeadersFramePayload() or
   OnHeadersFrameEnd() is called when `qpack_decoded_headers_accumulator_` is
   nullptr.
2. Do not crash if QpackDecodedHeadersAccumulator::EndHeaderBlock() is called
   when `decoder_` is nullptr.
3. Add GFE_BUGs and log where `qpack_decoded_headers_accumulator_` was last reset.

PiperOrigin-RevId: 423164997