Implement SpdyMakeUnique and SpdyWrapUnique.

net/spdy/platform/impl/spdy_ptr_util_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_SPDY_PLATFORM_IMPL_SPDY_PTR_UTIL_IMPL_H_
+#define NET_SPDY_PLATFORM_IMPL_SPDY_PTR_UTIL_IMPL_H_
+
+#include "base/memory/ptr_util.h"
+
+namespace net {
+
+template <typename T, typename... Args>
+std::unique_ptr<T> SpdyMakeUniqueImpl(Args&&... args) {
+  return base::MakeUnique<T>(std::forward<Args>(args)...);
+}
+
+template <typename T>
+std::unique_ptr<T> SpdyWrapUniqueImpl(T* ptr) {
+  return base::WrapUnique<T>(ptr);
+}
+
+}  // namespace net
+
+#endif  // NET_SPDY_PLATFORM_IMPL_SPDY_PTR_UTIL_IMPL_H_