Move shared files in net/quic/ into net/quic/core/

net/quic/quic_address_mismatch.cc

-// Copyright 2014 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/quic_address_mismatch.h"
-
-#include "base/logging.h"
-#include "net/base/ip_address.h"
-
-namespace net {
-
-int GetAddressMismatch(const IPEndPoint& first_address,
-                       const IPEndPoint& second_address) {
-  if (first_address.address().empty() || second_address.address().empty()) {
-    return -1;
-  }
-  IPAddress first_ip_address = first_address.address();
-  if (first_ip_address.IsIPv4MappedIPv6()) {
-    first_ip_address = ConvertIPv4MappedIPv6ToIPv4(first_ip_address);
-  }
-  IPAddress second_ip_address = second_address.address();
-  if (second_ip_address.IsIPv4MappedIPv6()) {
-    second_ip_address = ConvertIPv4MappedIPv6ToIPv4(second_ip_address);
-  }
-
-  int sample;
-  if (first_ip_address != second_ip_address) {
-    sample = QUIC_ADDRESS_MISMATCH_BASE;
-  } else if (first_address.port() != second_address.port()) {
-    sample = QUIC_PORT_MISMATCH_BASE;
-  } else {
-    sample = QUIC_ADDRESS_AND_PORT_MATCH_BASE;
-  }
-
-  // Add an offset to |sample|:
-  //   V4_V4: add 0
-  //   V6_V6: add 1
-  //   V4_V6: add 2
-  //   V6_V4: add 3
-  bool first_ipv4 = first_ip_address.IsIPv4();
-  if (first_ipv4 != second_ip_address.IsIPv4()) {
-    CHECK_EQ(sample, QUIC_ADDRESS_MISMATCH_BASE);
-    sample += 2;
-  }
-  if (!first_ipv4) {
-    sample += 1;
-  }
-  return sample;
-}
-
-}  // namespace net