Pass chrome version and channel in CHLO message to server.

net/quic/crypto/quic_crypto_client_config.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/crypto/quic_crypto_client_config.h"
 
 #include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "net/quic/crypto/cert_compressor.h"
 #include "net/quic/crypto/chacha20_poly1305_encrypter.h"
@@ skipping 287 matching lines @@
   out->set_tag(kCHLO);
   out->set_minimum_size(kClientHelloMinimumSize);
 
   // Server name indication. We only send SNI if it's a valid domain name, as
   // per the spec.
   if (CryptoUtils::IsValidSNI(server_id.host())) {
     out->SetStringPiece(kSNI, server_id.host());
   }
   out->SetValue(kVER, QuicVersionToQuicTag(preferred_version));
 
+  if (!user_agent_id_.empty()) {
+    out->SetStringPiece(kUAID, user_agent_id_);
+  }
+
   if (!cached->source_address_token().empty()) {
     out->SetStringPiece(kSourceAddressTokenTag, cached->source_address_token());
   }
 
   if (server_id.is_https()) {
     if (disable_ecdsa_) {
       out->SetTaglist(kPDMD, kX59R, 0);
     } else {
       out->SetTaglist(kPDMD, kX509, 0);
     }
@@ skipping 442 matching lines @@
     return;
   }
 
   // Update canonical version to point at the "most recent" entry.
   canonical_server_map_[suffix_server_id] = server_id;
 
   server_state->InitializeFrom(*canonical_state);
 }
 
 }  // namespace net