Add shim for EstimateMemoryUsage in Quic

net/quic/platform/impl/quic_estimate_memory_usage_impl.h

+// Copyright 2017 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.
+
+#ifndef NET_QUIC_PLATFORM_IMPL_QUIC_ESTIMATE_MEMORY_USAGE_IMPL_H_
+#define NET_QUIC_PLATFORM_IMPL_QUIC_ESTIMATE_MEMORY_USAGE_IMPL_H_
+
+#include <cstddef>
+
+#include "base/trace_event/memory_usage_estimator.h"
+
+namespace net {
+
+template <class T>
+size_t QuicEstimateMemoryUsageImpl(const T& object) {
+  return base::trace_event::EstimateMemoryUsage(object);
+}
+
+}  // namespace net
+
+#endif  // NET_QUIC_PLATFORM_IMPL_QUIC_ESTIMATE_MEMORY_USAGE_IMPL_H_