chromium/components/performance_manager/execution_context_priority/loading_page_voter.h

// Copyright 2024 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_EXECUTION_CONTEXT_PRIORITY_LOADING_PAGE_VOTER_H_
#define COMPONENTS_PERFORMANCE_MANAGER_EXECUTION_CONTEXT_PRIORITY_LOADING_PAGE_VOTER_H_

#include "components/performance_manager/execution_context_priority/voter_base.h"
#include "components/performance_manager/graph/initializing_frame_node_observer.h"
#include "components/performance_manager/public/execution_context_priority/execution_context_priority.h"
#include "components/performance_manager/public/graph/page_node.h"

namespace performance_manager::execution_context_priority {

// This voter casts a TaskPriority::USER_BLOCKING vote to all frames that are
// part of a loading page. This makes switching to a loading tab faster.
// Note: Uses `InitializingFrameNodeObserver` because it can affect the initial
// priority of a frame.
class LoadingPageVoter : public VoterBase,
                         public PageNode::ObserverDefaultImpl,
                         public InitializingFrameNodeObserver { … };

}  // namespace performance_manager::execution_context_priority

#endif  // COMPONENTS_PERFORMANCE_MANAGER_EXECUTION_CONTEXT_PRIORITY_LOADING_PAGE_VOTER_H_