Add shim for EstimateMemoryUsage in Quic

net/quic/platform/api/quic_estimate_memory_usage.h

Index: net/quic/platform/api/quic_estimate_memory_usage.h
diff --git a/net/quic/platform/api/quic_estimate_memory_usage.h b/net/quic/platform/api/quic_estimate_memory_usage.h
new file mode 100644
index 0000000000000000000000000000000000000000..c7ed22efcd97d511e89e2d1e49e2100ebe7810e0
--- /dev/null
+++ b/net/quic/platform/api/quic_estimate_memory_usage.h
@@ -0,0 +1,21 @@
+// 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_API_QUIC_ESTIMATE_MEMORY_USAGE_H_
+#define NET_QUIC_PLATFORM_API_QUIC_ESTIMATE_MEMORY_USAGE_H_
+
+#include <cstddef>
+
+#include "net/quic/platform/impl/quic_estimate_memory_usage_impl.h"
+
+namespace net {
+
+template <class T>
+size_t QuicEstimateMemoryUsage(const T& object) {
+  return QuicEstimateMemoryUsageImpl(object);
+}
+
+}  // namespace net
+
+#endif  // NET_QUIC_PLATFORM_API_QUIC_ESTIMATE_MEMORY_USAGE_H_