Unify enum NextProto and enum AlternateProtocol.
* Use NextProto instead of AlternateProtocol everywhere.
* Remove enum AlternateProtocol, AlternateProtocolFromNextProto().
* Move SSLClientSocketImpl::NextProto{To,From}String() to
* next_proto.cc.
* Combine AlternateProtocol{To,From}String() into
* NextProto{To,From}String().
* Remove unused SpdyHttpStream::negotiated_protocol_.
BUG=116575
Review-Url: https://codereview.chromium.org/2373663002
Cr-Commit-Position: refs/heads/master@{#431572}
33 files changed
