diff --git a/quic/core/quic_server_id.cc b/quic/core/quic_server_id.cc
new file mode 100644
index 0000000..ab35d6e
--- /dev/null
+++ b/quic/core/quic_server_id.cc
@@ -0,0 +1,41 @@
+// 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/third_party/quiche/src/quic/core/quic_server_id.h"
+
+#include <tuple>
+
+#include "net/third_party/quiche/src/quic/platform/api/quic_estimate_memory_usage.h"
+#include "net/third_party/quiche/src/quic/platform/api/quic_str_cat.h"
+#include "net/third_party/quiche/src/quic/platform/api/quic_string.h"
+
+namespace quic {
+
+QuicServerId::QuicServerId() : QuicServerId("", 0, false) {}
+
+QuicServerId::QuicServerId(const QuicString& host, uint16_t port)
+    : QuicServerId(host, port, false) {}
+
+QuicServerId::QuicServerId(const QuicString& host,
+                           uint16_t port,
+                           bool privacy_mode_enabled)
+    : host_(host), port_(port), privacy_mode_enabled_(privacy_mode_enabled) {}
+
+QuicServerId::~QuicServerId() {}
+
+bool QuicServerId::operator<(const QuicServerId& other) const {
+  return std::tie(port_, host_, privacy_mode_enabled_) <
+         std::tie(other.port_, other.host_, other.privacy_mode_enabled_);
+}
+
+bool QuicServerId::operator==(const QuicServerId& other) const {
+  return privacy_mode_enabled_ == other.privacy_mode_enabled_ &&
+         host_ == other.host_ && port_ == other.port_;
+}
+
+size_t QuicServerId::EstimateMemoryUsage() const {
+  return QuicEstimateMemoryUsage(host_);
+}
+
+}  // namespace quic