1 files changed, 37 insertions, 0 deletions
diff --git a/chromium/mojo/public/cpp/bindings/array_traits_wtf.h b/chromium/mojo/public/cpp/bindings/array_traits_wtf.h
new file mode 100644
index 00000000000..71f1da1116a
--- /dev/null
+++ b/chromium/mojo/public/cpp/bindings/array_traits_wtf.h
@@ -0,0 +1,37 @@
+// 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 MOJO_PUBLIC_CPP_BINDINGS_ARRAY_TRAITS_WTF_H_
+#define MOJO_PUBLIC_CPP_BINDINGS_ARRAY_TRAITS_WTF_H_
+
+#include "mojo/public/cpp/bindings/array_traits.h"
+#include "mojo/public/cpp/bindings/wtf_array.h"
+
+namespace mojo {
+
+template <typename U>
+struct ArrayTraits<WTFArray<U>> {
+  using Element = U;
+
+  static bool IsNull(const WTFArray<U>& input) { return input.is_null(); }
+  static void SetToNull(WTFArray<U>* output) { *output = nullptr; }
+
+  static size_t GetSize(const WTFArray<U>& input) { return input.size(); }
+
+  static U* GetData(WTFArray<U>& input) { return &input.front(); }
+
+  static const U* GetData(const WTFArray<U>& input) { return &input.front(); }
+
+  static U& GetAt(WTFArray<U>& input, size_t index) { return input[index]; }
+
+  static const U& GetAt(const WTFArray<U>& input, size_t index) {
+    return input[index];
+  }
+
+  static void Resize(WTFArray<U>& input, size_t size) { input.resize(size); }
+};
+
+}  // namespace mojo
+
+#endif  // MOJO_PUBLIC_CPP_BINDINGS_ARRAY_TRAITS_WTF_H_