Implement CompositorFrame Struct Traits

cc/ipc/transferable_resource_struct_traits.cc

+// 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 "cc/ipc/transferable_resource_struct_traits.h"
+#include "gpu/ipc/common/mailbox_holder_struct_traits.h"
+#include "gpu/ipc/common/mailbox_struct_traits.h"
+#include "gpu/ipc/common/sync_token_struct_traits.h"
+#include "ui/gfx/geometry/mojo/geometry_struct_traits.h"
+
+namespace mojo {
+
+// static
+bool StructTraits<cc::mojom::TransferableResource, cc::TransferableResource>::
+    Read(cc::mojom::TransferableResourceDataView data,
+         cc::TransferableResource* out) {
+  if (!data.ReadSize(&out->size) ||
+      !data.ReadMailboxHolder(&out->mailbox_holder))
+    return false;
+  out->id = data.id();
+  out->format = static_cast<cc::ResourceFormat>(data.format());
+  out->filter = data.filter();
+  out->read_lock_fences_enabled = data.read_lock_fences_enabled();
+  out->is_software = data.is_software();
+  out->is_overlay_candidate = data.is_overlay_candidate();
+  return true;
+}
+
+}  // namespace mojo