chromium/content/public/browser/disallow_activation_reason.h

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_PUBLIC_BROWSER_DISALLOW_ACTIVATION_REASON_H_
#define CONTENT_PUBLIC_BROWSER_DISALLOW_ACTIVATION_REASON_H_

#include "content/public/browser/render_frame_host.h"

namespace content {

// Reasons to disallow activation of an inactive RenderFrameHost. Disallows
// a page to be restored from bfache or used for prerendering activation,
// leading to eviction/cancellation.
//
// These values are persisted to logs. Entries should not be renumbered and
// numeric values should never be reused. kMaxValue is not defined because this
// enum is not logged directly as an enum because external embedders can supply
// their own values.
//
// This enum's values should not be used by embedders. Embedders should use
// values equal to or greater than kMinEmbedderDisallowActivationReason.
enum DisallowActivationReasonId : uint64_t { … };

}  // namespace content

#endif  // CONTENT_PUBLIC_BROWSER_DISALLOW_ACTIVATION_REASON_H_