Log QUIC public reset client address mismatch to a histogram.

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 "net/quic/crypto/cert_compressor.h"
 #include "net/quic/crypto/channel_id.h"
 #include "net/quic/crypto/common_cert_set.h"
@@ skipping 592 matching lines @@
 
   // Learn about updated source address tokens.
   StringPiece token;
   if (server_hello.GetStringPiece(kSourceAddressTokenTag, &token)) {
     cached->set_source_address_token(token);
   }
 
   // TODO(agl):
   //   learn about updated SCFGs.
 
-  StringPiece address;
-  if (server_hello.GetStringPiece(kCADR, &address)) {
-    out_params->client_address.assign(address.data(), address.size());
-  }
-
   StringPiece public_value;
   if (!server_hello.GetStringPiece(kPUBS, &public_value)) {
     *error_details = "server hello missing forward secure public value";
     return QUIC_INVALID_CRYPTO_MESSAGE_PARAMETER;
   }
 
   if (!out_params->client_key_exchange->CalculateSharedKey(
           public_value, &out_params->forward_secure_premaster_secret)) {
     *error_details = "Key exchange failure";
     return QUIC_INVALID_CRYPTO_MESSAGE_PARAMETER;
@@ skipping 39 matching lines @@
   CachedState* canonical_cached =
       canonical_crypto_config->LookupOrCreate(canonical_server_hostname);
   if (!canonical_cached->proof_valid()) {
     return;
   }
   CachedState* cached = LookupOrCreate(server_hostname);
   cached->InitializeFrom(*canonical_cached);
 }
 
 }  // namespace net