| // Copyright 2015 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 IOS_CHROME_BROWSER_PREFS_IOS_CHROME_PREF_MODEL_ASSOCIATOR_CLIENT_H_ |
| #define IOS_CHROME_BROWSER_PREFS_IOS_CHROME_PREF_MODEL_ASSOCIATOR_CLIENT_H_ |
| |
| #include <string> |
| |
| #include "base/macros.h" |
| #include "components/sync_preferences/pref_model_associator_client.h" |
| |
| namespace base { |
| template <typename T> |
| struct DefaultSingletonTraits; |
| } |
| |
| class IOSChromePrefModelAssociatorClient |
| : public sync_preferences::PrefModelAssociatorClient { |
| public: |
| // Returns the global instance. |
| static IOSChromePrefModelAssociatorClient* GetInstance(); |
| |
| private: |
| friend struct base::DefaultSingletonTraits< |
| IOSChromePrefModelAssociatorClient>; |
| |
| IOSChromePrefModelAssociatorClient(); |
| ~IOSChromePrefModelAssociatorClient() override; |
| |
| // sync_preferences::PrefModelAssociatorClient implementation. |
| bool IsMergeableListPreference(const std::string& pref_name) const override; |
| bool IsMergeableDictionaryPreference( |
| const std::string& pref_name) const override; |
| std::unique_ptr<base::Value> MaybeMergePreferenceValues( |
| const std::string& pref_name, |
| const base::Value& local_value, |
| const base::Value& server_value) const override; |
| |
| DISALLOW_COPY_AND_ASSIGN(IOSChromePrefModelAssociatorClient); |
| }; |
| |
| #endif // IOS_CHROME_BROWSER_PREFS_IOS_CHROME_PREF_MODEL_ASSOCIATOR_CLIENT_H_ |