Implement CompositorFrame Struct Traits

cc/ipc/compositor_frame_struct_traits.h

Index: cc/ipc/compositor_frame_struct_traits.h
diff --git a/cc/ipc/compositor_frame_struct_traits.h b/cc/ipc/compositor_frame_struct_traits.h
new file mode 100644
index 0000000000000000000000000000000000000000..628beb49679e4ecd75fba90399fef48c3cd6bc42
--- /dev/null
+++ b/cc/ipc/compositor_frame_struct_traits.h
@@ -0,0 +1,35 @@
+// 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 CC_IPC_COMPOSITOR_FRAME_STRUCT_TRAITS_H_
+#define CC_IPC_COMPOSITOR_FRAME_STRUCT_TRAITS_H_
+
+#include "cc/ipc/compositor_frame.mojom.h"
+#include "cc/output/compositor_frame.h"
+
+namespace mojo {
+
+template <>
+struct StructTraits<cc::mojom::CompositorFrame, cc::CompositorFrame> {
+  static const cc::CompositorFrameMetadata& metadata(
+      const cc::CompositorFrame& input) {
+    return input.metadata;
+  }
+
+  static const cc::TransferableResourceArray& resources(
+      const cc::CompositorFrame& input) {
+    return input.delegated_frame_data->resource_list;
+  }
+
+  static const cc::RenderPassList& passes(const cc::CompositorFrame& input) {
+    return input.delegated_frame_data->render_pass_list;
+  }
+
+  static bool Read(cc::mojom::CompositorFrameDataView data,
+                   cc::CompositorFrame* out);
+};
+
+}  // namespace mojo
+
+#endif  // CC_IPC_COMPOSITOR_FRAME_STRUCT_TRAITS_H_