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// Copyright 2023 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_BROWSER_COOKIE_DEPRECATION_LABEL_COOKIE_DEPRECATION_LABEL_MANAGER_IMPL_H_
#define CONTENT_BROWSER_COOKIE_DEPRECATION_LABEL_COOKIE_DEPRECATION_LABEL_MANAGER_IMPL_H_
#include <optional>
#include <string>
#include "base/memory/raw_ref.h"
#include "content/common/content_export.h"
#include "content/public/browser/cookie_deprecation_label_manager.h"
namespace url {
class Origin;
} // namespace url
namespace content {
class BrowserContext;
// Maintaining a per-partition label to be used for 3PCD experimentation.
class CONTENT_EXPORT CookieDeprecationLabelManagerImpl
: public CookieDeprecationLabelManager {
public:
explicit CookieDeprecationLabelManagerImpl(BrowserContext* browser_context);
CookieDeprecationLabelManagerImpl(const CookieDeprecationLabelManagerImpl&) =
delete;
CookieDeprecationLabelManagerImpl(CookieDeprecationLabelManagerImpl&&) =
delete;
CookieDeprecationLabelManagerImpl& operator=(
const CookieDeprecationLabelManagerImpl&) = delete;
CookieDeprecationLabelManagerImpl& operator=(
CookieDeprecationLabelManagerImpl&&) = delete;
~CookieDeprecationLabelManagerImpl() override;
std::optional<std::string> GetValue() override;
std::optional<std::string> GetValue(const url::Origin& top_frame_origin,
const url::Origin& context_origin);
private:
// Sets label_value_ to the feature param and returns. Returns std::nullopt
// if `kSkipCookieDeprecationLabelForStoragePartitions` is true.
std::optional<std::string> GetValueInternal();
// `this` is owned by the `StoragePartitionImpl`, which itself is
// owned by `browser_context_`.
raw_ref<BrowserContext> browser_context_;
// The label isn't expected to change, therefore caching the value for future
// use to improve performance.
std::optional<std::string> label_value_;
};
} // namespace content
#endif // CONTENT_BROWSER_COOKIE_DEPRECATION_LABEL_COOKIE_DEPRECATION_LABEL_MANAGER_IMPL_H_
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