Replace //net TypeConverters with StructTraits.

net/dns/mojo_host_struct_traits.cc

Index: net/dns/mojo_host_struct_traits.cc
diff --git a/net/dns/mojo_host_struct_traits.cc b/net/dns/mojo_host_struct_traits.cc
new file mode 100644
index 0000000000000000000000000000000000000000..9772fd2c1395d209f01915a9169e4eace40f0670
--- /dev/null
+++ b/net/dns/mojo_host_struct_traits.cc
@@ -0,0 +1,89 @@
+// Copyright 2015 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.
+
+#include "net/dns/mojo_host_struct_traits.h"
+
+#include <utility>
+
+#include "net/base/address_list.h"
+
+namespace mojo {
+
+// static
+bool EnumTraits<net::interfaces::AddressFamily, net::AddressFamily>::FromMojom(
+    net::interfaces::AddressFamily address_family,
+    net::AddressFamily* out) {
+  using net::interfaces::AddressFamily;
+  switch (address_family) {
+    case AddressFamily::UNSPECIFIED:
+      *out = net::ADDRESS_FAMILY_UNSPECIFIED;
+      return true;
+    case AddressFamily::IPV4:
+      *out = net::ADDRESS_FAMILY_IPV4;
+      return true;
+    case AddressFamily::IPV6:
+      *out = net::ADDRESS_FAMILY_IPV6;
+      return true;
+  }
+  return false;
+}
+
+// static
+net::interfaces::AddressFamily
+EnumTraits<net::interfaces::AddressFamily, net::AddressFamily>::ToMojom(
+    net::AddressFamily address_family) {
+  using net::interfaces::AddressFamily;
+  switch (address_family) {
+    case net::ADDRESS_FAMILY_UNSPECIFIED:
+      return AddressFamily::UNSPECIFIED;
+    case net::ADDRESS_FAMILY_IPV4:
+      return AddressFamily::IPV4;
+    case net::ADDRESS_FAMILY_IPV6:
+      return AddressFamily::IPV6;
+  }
+  NOTREACHED();
+  return AddressFamily::UNSPECIFIED;
+}
+
+// static
+bool StructTraits<net::interfaces::HostResolverRequestInfoDataView,
+                  std::unique_ptr<net::HostResolver::RequestInfo>>::
+    Read(net::interfaces::HostResolverRequestInfoDataView data,
+         std::unique_ptr<net::HostResolver::RequestInfo>* out) {
+  base::StringPiece host;
+  if (!data.ReadHost(&host))
+    return false;
+
+  net::AddressFamily address_family;
+  if (!data.ReadAddressFamily(&address_family))
+    return false;
+
+  *out = base::MakeUnique<net::HostResolver::RequestInfo>(
+      net::HostPortPair(host.as_string(), data.port()));
+  net::HostResolver::RequestInfo& request = **out;
+  request.set_address_family(address_family);
+  request.set_is_my_ip_address(data.is_my_ip_address());
+  return true;
+}
+
+// static
+bool StructTraits<net::interfaces::IPEndPointDataView, net::IPEndPoint>::Read(
+    net::interfaces::IPEndPointDataView data,
+    net::IPEndPoint* out) {
+  std::vector<uint8_t> bytes;
+  if (!data.ReadAddress(&bytes))
+    return false;
+
+  *out = net::IPEndPoint(net::IPAddress(bytes), data.port());
+  return true;
+}
+
+// static
+bool StructTraits<net::interfaces::AddressListDataView, net::AddressList>::Read(
+    net::interfaces::AddressListDataView data,
+    net::AddressList* out) {
+  return data.ReadAddresses(&out->endpoints());
+}
+
+}  // namespace mojo