cbor: use static checks to ensure that all cases are handled.

By removing the default case the compiler will throw an error if any CBOR type is unhandled.

Change-Id: I6efd5c2fde89cf15ea4363cdc4d60b511979d6e8
Bug: 827564
Reviewed-on: https://chromium-review.googlesource.com/982736
Commit-Queue: Adam Langley <agl@chromium.org>
Reviewed-by: Balazs Engedy <engedy@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#548574}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: e8bea50f748c433acecb72c28493899c9f0722e7
1 file changed