chromium/components/performance_manager/public/execution_context/execution_context_attached_data.h

// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_PERFORMANCE_MANAGER_PUBLIC_EXECUTION_CONTEXT_EXECUTION_CONTEXT_ATTACHED_DATA_H_
#define COMPONENTS_PERFORMANCE_MANAGER_PUBLIC_EXECUTION_CONTEXT_EXECUTION_CONTEXT_ATTACHED_DATA_H_

#include <type_traits>

#include "components/performance_manager/public/execution_context/execution_context.h"
#include "components/performance_manager/public/execution_context/execution_context_registry.h"
#include "components/performance_manager/public/graph/frame_node.h"
#include "components/performance_manager/public/graph/graph.h"
#include "components/performance_manager/public/graph/node_attached_data.h"
#include "components/performance_manager/public/graph/worker_node.h"

namespace performance_manager {
namespace execution_context {

// An adapter that can be used to associate NodeAttachedData with all node
// types that represent execution contexts. Under the hood this wraps
// ExternalNodeAttachedDataImpl for each of the underlying node types.
// It is expected that UserDataType have a constructor with the signature
// "UserDataType(const ExecutionContext*)".
template <typename UserDataType>
class ExecutionContextAttachedData { … };

}  // namespace execution_context
}  // namespace performance_manager

#endif  // COMPONENTS_PERFORMANCE_MANAGER_PUBLIC_EXECUTION_CONTEXT_EXECUTION_CONTEXT_ATTACHED_DATA_H_