Index: components/syncable_prefs/synced_pref_change_registrar.h |
diff --git a/components/syncable_prefs/synced_pref_change_registrar.h b/components/syncable_prefs/synced_pref_change_registrar.h |
deleted file mode 100644 |
index 8c18ab380e2f14936de1b0fbd50aa4289fb3eee9..0000000000000000000000000000000000000000 |
--- a/components/syncable_prefs/synced_pref_change_registrar.h |
+++ /dev/null |
@@ -1,61 +0,0 @@ |
-// Copyright 2013 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_SYNCABLE_PREFS_SYNCED_PREF_CHANGE_REGISTRAR_H_ |
-#define COMPONENTS_SYNCABLE_PREFS_SYNCED_PREF_CHANGE_REGISTRAR_H_ |
- |
-#include <map> |
-#include <string> |
- |
-#include "base/callback.h" |
-#include "base/macros.h" |
-#include "components/syncable_prefs/pref_service_syncable.h" |
-#include "components/syncable_prefs/synced_pref_observer.h" |
- |
-namespace syncable_prefs { |
- |
-// Manages the registration of one or more SyncedPrefObservers on a |
-// PrefServiceSyncable. This is modeled after base::PrefChangeRegistrar, and |
-// it should be used whenever it's necessary to determine whether a pref change |
-// has come from sync or from some other mechanism (managed, UI, external, etc.) |
-class SyncedPrefChangeRegistrar : public SyncedPrefObserver { |
- public: |
- // Registered callbacks may optionally take a path argument. |
- // The boolean argument indicates whether (true) or not (false) |
- // the change was a result of syncing. |
- typedef base::Callback<void(bool)> ChangeCallback; |
- typedef base::Callback<void(const std::string&, bool)> NamedChangeCallback; |
- |
- explicit SyncedPrefChangeRegistrar(PrefServiceSyncable* pref_service); |
- virtual ~SyncedPrefChangeRegistrar(); |
- |
- // Register an observer callback for sync change events on the pref at |
- // |path|. Only one callback may be registered per pref. |
- void Add(const char* path, const ChangeCallback& callback); |
- void Add(const char* path, const NamedChangeCallback& callback); |
- |
- // Remove the registered observer for |path|. |
- void Remove(const char* path); |
- |
- // Remove all registered observers. |
- void RemoveAll(); |
- |
- // Indicates whether or not an observer is already registered for |path|. |
- bool IsObserved(const char* path) const; |
- |
- private: |
- // SyncedPrefObserver implementation |
- void OnSyncedPrefChanged(const std::string& path, bool from_sync) override; |
- |
- typedef std::map<std::string, NamedChangeCallback> ObserverMap; |
- |
- PrefServiceSyncable* pref_service_; |
- ObserverMap observers_; |
- |
- DISALLOW_COPY_AND_ASSIGN(SyncedPrefChangeRegistrar); |
-}; |
- |
-} // namespace syncable_prefs |
- |
-#endif // COMPONENTS_SYNCABLE_PREFS_SYNCED_PREF_CHANGE_REGISTRAR_H_ |