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diff --git a/chromium/components/policy/core/browser/configuration_policy_pref_store.h b/chromium/components/policy/core/browser/configuration_policy_pref_store.h
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+++ b/chromium/components/policy/core/browser/configuration_policy_pref_store.h
@@ -0,0 +1,92 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef COMPONENTS_POLICY_CORE_BROWSER_CONFIGURATION_POLICY_PREF_STORE_H_
+#define COMPONENTS_POLICY_CORE_BROWSER_CONFIGURATION_POLICY_PREF_STORE_H_
+
+#include <memory>
+#include <string>
+
+#include "base/memory/raw_ptr.h"
+#include "base/observer_list.h"
+#include "base/values.h"
+#include "components/policy/core/common/policy_map.h"
+#include "components/policy/core/common/policy_service.h"
+#include "components/policy/core/common/policy_types.h"
+#include "components/policy/policy_export.h"
+#include "components/prefs/pref_store.h"
+
+class PrefValueMap;
+
+namespace policy {
+
+class BrowserPolicyConnectorBase;
+class ConfigurationPolicyHandlerList;
+
+// An implementation of PrefStore that bridges policy settings as read from the
+// PolicyService to preferences. Converts POLICY_DOMAIN_CHROME policies a given
+// PolicyLevel to their corresponding preferences.
+class POLICY_EXPORT ConfigurationPolicyPrefStore
+    : public PrefStore,
+      public PolicyService::Observer {
+ public:
+  // Does not take ownership of |service| nor |handler_list|, which must outlive
+  // the store. Only policies of the given |level| will be mapped.
+  ConfigurationPolicyPrefStore(
+      BrowserPolicyConnectorBase* policy_connector,
+      PolicyService* service,
+      const ConfigurationPolicyHandlerList* handler_list,
+      PolicyLevel level);
+  ConfigurationPolicyPrefStore(const ConfigurationPolicyPrefStore&) = delete;
+  ConfigurationPolicyPrefStore& operator=(const ConfigurationPolicyPrefStore&) =
+      delete;
+
+  // PrefStore methods:
+  void AddObserver(PrefStore::Observer* observer) override;
+  void RemoveObserver(PrefStore::Observer* observer) override;
+  bool HasObservers() const override;
+  bool IsInitializationComplete() const override;
+  bool GetValue(const std::string& key,
+                const base::Value** result) const override;
+  std::unique_ptr<base::DictionaryValue> GetValues() const override;
+
+  // PolicyService::Observer methods:
+  void OnPolicyUpdated(const PolicyNamespace& ns,
+                       const PolicyMap& previous,
+                       const PolicyMap& current) override;
+  void OnPolicyServiceInitialized(PolicyDomain domain) override;
+
+ private:
+  ~ConfigurationPolicyPrefStore() override;
+
+  // Refreshes policy information, rereading policy from the policy service and
+  // sending out change notifications as appropriate.
+  void Refresh();
+
+  // Returns a new PrefValueMap containing the preference values that correspond
+  // to the policies currently provided by the policy service.
+  PrefValueMap* CreatePreferencesFromPolicies();
+
+  // May be null in tests.
+  raw_ptr<BrowserPolicyConnectorBase> policy_connector_;
+
+  // The PolicyService from which policy settings are read.
+  raw_ptr<PolicyService> policy_service_;
+
+  // The policy handlers used to convert policies into their corresponding
+  // preferences.
+  raw_ptr<const ConfigurationPolicyHandlerList> handler_list_;
+
+  // The policy level that this PrefStore uses.
+  PolicyLevel level_;
+
+  // Current policy preferences.
+  std::unique_ptr<PrefValueMap> prefs_;
+
+  base::ObserverList<PrefStore::Observer, true>::Unchecked observers_;
+};
+
+}  // namespace policy
+
+#endif  // COMPONENTS_POLICY_CORE_BROWSER_CONFIGURATION_POLICY_PREF_STORE_H_