Migrate components/data_reduction_proxy to Mojo interfaces.

net/base/mojo/net_base.typemap

Index: net/base/mojo/net_base.typemap
diff --git a/net/base/mojo/net_base.typemap b/net/base/mojo/net_base.typemap
new file mode 100644
index 0000000000000000000000000000000000000000..74d9d512156e41ca432883458742a38bb2d2a12d
--- /dev/null
+++ b/net/base/mojo/net_base.typemap
@@ -0,0 +1,11 @@
+# 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.
+
+mojom = "//net/base/mojo/net_base.mojom"
+public_headers = [ "//net/base/host_port_pair.h" ]
+traits_headers = [ "//net/base/mojo/net_base_struct_traits.h" ]
+deps = [
+  "//net",
+]
+type_mappings = [ "net.mojom.HostPortPair=net::HostPortPair" ]