Mojom structs for copy requests / results should map to unique_ptr

cc/ipc/copy_output_request_struct_traits.cc

+// Copyright 2017 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/copy_output_request_struct_traits.h"
+
+namespace mojo {
+
+// static
+bool StructTraits<cc::mojom::CopyOutputRequestDataView,
+                  std::unique_ptr<cc::CopyOutputRequest>>::
+    Read(cc::mojom::CopyOutputRequestDataView data,
+         std::unique_ptr<cc::CopyOutputRequest>* out_p) {
+  auto request = cc::CopyOutputRequest::CreateEmptyRequest();
+
+  request->force_bitmap_result_ = data.force_bitmap_result();
+
+  if (!data.ReadSource(&request->source_))
+    return false;
+
+  if (!data.ReadArea(&request->area_))
+    return false;
+
+  if (!data.ReadTextureMailbox(&request->texture_mailbox_))
+    return false;
+
+  *out_p = std::move(request);
+
+  return true;
+}
+
+}  // namespace mojo