chromium/components/performance_manager/decorators/decorators_utils.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_DECORATORS_DECORATORS_UTILS_H_
#define COMPONENTS_PERFORMANCE_MANAGER_DECORATORS_DECORATORS_UTILS_H_

#include "components/performance_manager/graph/page_node_impl.h"
#include "components/performance_manager/public/performance_manager.h"
#include "content/public/browser/browser_thread.h"

namespace performance_manager {

// Helper function meant to be used by decorators tracking properties associated
// with WebContents. This will do the WebContents to PageNode translation and
// post a task to the PM sequence to set a property on the appropriate
// decorator.
// This function can only be called from the UI thread.
template <typename T, class decorator_data_type>
void SetPropertyForWebContentsPageNode(
    content::WebContents* contents,
    void (decorator_data_type::*setter_function)(T),
    T value) { … }

}  // namespace performance_manager

#endif  // COMPONENTS_PERFORMANCE_MANAGER_DECORATORS_DECORATORS_UTILS_H_