Support hashing of base::GUID

Implement a custom hasher for base::GUID so it may be used in standard
hash containers.

Bug: 1026195
Change-Id: I4a6315b21543e374b7eb6e8863b0afc3ff57f334
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2533644
Commit-Queue: Daniel Hosseinian <[email protected]>
Reviewed-by: Gabriel Charette <[email protected]>
Cr-Commit-Position: refs/heads/master@{#827073}
2 files changed