Struct traits used by GpuInfo

mojo/common/common_custom_types_struct_traits.cc

Index: mojo/common/common_custom_types_struct_traits.cc
diff --git a/mojo/common/common_custom_types_struct_traits.cc b/mojo/common/common_custom_types_struct_traits.cc
new file mode 100644
index 0000000000000000000000000000000000000000..2bb7a6eb5e29b50502591b0c6ba6a2c0d9607cb1
--- /dev/null
+++ b/mojo/common/common_custom_types_struct_traits.cc
@@ -0,0 +1,32 @@
+// 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.
+
+#include "mojo/common/common_custom_types_struct_traits.h"
+
+#include <iterator>
+
+#include "base/version.h"
+
+namespace mojo {
+
+// static
+const std::vector<uint32_t>&
+StructTraits<mojo::common::mojom::Version, base::Version>::components(
+    const base::Version& version) {
+  return version.components();

[dcheng, 2016/07/28 02:09:39]

Assuming this isn't doing any implicit conversions, this is ok to inline (it
will probably be less code that way)

[Alex Z., 2016/07/28 19:40:44]

Done.

+}
+
+// static
+bool StructTraits<mojo::common::mojom::Version, base::Version>::Read(
+    mojo::common::mojom::VersionDataView data,
+    base::Version* out) {
+  std::vector<uint32_t> components;
+  if (!data.ReadComponents(&components))
+    return false;
+
+  *out = base::Version(base::Version(std::move(components)));
+  return out->IsValid();
+}
+
+}  // namespace mojo