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- Replacement NTLMv1 implementation.
- In preparation for new NTLMv2 implementation.
- Passes all unit tests and has the same behavior.
- Adds fuzzer for NtlmClient.
- Code is still not live.

BUG=chromium:22532
TEST=All unit tests pass.

Change-Id: Idae533312805d21d49943fd634d54af3a93a7c00
Reviewed-on: https://chromium-review.googlesource.com/598307
Commit-Queue: Zentaro Kavanagh <zentaro@google.com>
Reviewed-by: Asanka Herath <asanka@chromium.org>
Reviewed-by: Matt Menke <mmenke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#491611}