// Copyright 2022 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #ifndef EXTENSIONS_BROWSER_API_OFFSCREEN_OFFSCREEN_DOCUMENT_LIFETIME_ENFORCER_H_ #define EXTENSIONS_BROWSER_API_OFFSCREEN_OFFSCREEN_DOCUMENT_LIFETIME_ENFORCER_H_ #include "base/functional/callback.h" #include "base/memory/raw_ptr.h" namespace extensions { class OffscreenDocumentHost; // A class that allows for the enforcement of an offscreen document's lifetime. // This is responsible for tracking the activity of an offscreen document and // notifying when it changes, as well as terminating the document if a hard // limit is encountered. // An offscreen document will be terminated when either no lifetime enforcers // detect the offscreen document as active or when the document is directly // terminated. class OffscreenDocumentLifetimeEnforcer { … }; } // namespace extensions #endif // EXTENSIONS_BROWSER_API_OFFSCREEN_OFFSCREEN_DOCUMENT_LIFETIME_ENFORCER_H_