Returns the actual frame type for SpdyUnknownIR.

This CL lands server change 157623302 by birenroy.

BUG=488484

Change-Id: I22414154227f3aa3cba32901cf8717d4cc408eff
Reviewed-on: https://chromium-review.googlesource.com/538933
Reviewed-by: Bence Béky <bnc@chromium.org>
Commit-Queue: Dianna Hu <diannahu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#480439}
2 files changed