Migrate components/data_reduction_proxy to Mojo interfaces.

net/base/mojo/net_base_struct_traits.h

Index: net/base/mojo/net_base_struct_traits.h
diff --git a/net/base/mojo/net_base_struct_traits.h b/net/base/mojo/net_base_struct_traits.h
new file mode 100644
index 0000000000000000000000000000000000000000..2450c60077f9ddf3b181e7a58b5ffed07616881b
--- /dev/null
+++ b/net/base/mojo/net_base_struct_traits.h
@@ -0,0 +1,34 @@
+// Copyright 2016 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_BASE_MOJO_NET_BASE_STRUCT_TRAITS_H_
+#define NET_BASE_MOJO_NET_BASE_STRUCT_TRAITS_H_
+
+#include <string>
+
+#include "net/base/host_port_pair.h"
+
+namespace mojo {
+
+template <>
+struct StructTraits<net::mojom::HostPortPair, net::HostPortPair> {
+  static const std::string& host(const net::HostPortPair& r) {
+    return r.host();
+  }
+  static uint16_t port(const net::HostPortPair& r) { return r.port(); }
+  static bool Read(net::mojom::HostPortPairDataView data,
+                   net::HostPortPair* out) {
+    std::string host;
+    if (!data.ReadHost(&host))
+      return false;
+    out->set_host(host);
+
+    out->set_port(data.port());
+    return true;
+  }
+};
+
+}  // namespace mojo
+
+#endif  // NET_BASE_MOJO_NET_BASE_STRUCT_TRAITS_H_