Move NextProto enum to a new file net/socket/next_proto.h

net/spdy/spdy_http_stream.cc

Index: net/spdy/spdy_http_stream.cc
diff --git a/net/spdy/spdy_http_stream.cc b/net/spdy/spdy_http_stream.cc
index b796e688beb69f98abdd52442c8dba664522eda0..e6b83c577d1a17d04f818cdcff108ac8c2415851 100644
--- a/net/spdy/spdy_http_stream.cc
+++ b/net/spdy/spdy_http_stream.cc
@@ -357,8 +357,7 @@ int SpdyHttpStream::OnResponseReceived(const SpdyHeaderBlock& response,
   // Don't store the SSLInfo in the response here, HttpNetworkTransaction
   // will take care of that part.
   SSLInfo ssl_info;
-  SSLClientSocket::NextProto protocol_negotiated =
-      SSLClientSocket::kProtoUnknown;
+  NextProto protocol_negotiated = kProtoUnknown;
   stream_->GetSSLInfo(&ssl_info,
                       &response_info_->was_npn_negotiated,
                       &protocol_negotiated);
@@ -493,8 +492,7 @@ void SpdyHttpStream::DoCallback(int rv) {
 void SpdyHttpStream::GetSSLInfo(SSLInfo* ssl_info) {
   DCHECK(stream_);
   bool using_npn;
-  SSLClientSocket::NextProto protocol_negotiated =
-      SSLClientSocket::kProtoUnknown;
+  NextProto protocol_negotiated = kProtoUnknown;
   stream_->GetSSLInfo(ssl_info, &using_npn, &protocol_negotiated);
 }