Move tracked prefs into services/preferences/tracked.

components/user_prefs/tracked/registry_hash_store_contents_win.h

-// Copyright 2016 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_USER_PREFS_TRACKED_PREF_REGISTRY_HASH_STORE_CONTENTS_WIN_H_
-#define COMPONENTS_USER_PREFS_TRACKED_PREF_REGISTRY_HASH_STORE_CONTENTS_WIN_H_
-
-#include "base/macros.h"
-#include "base/strings/string16.h"
-#include "components/user_prefs/tracked/hash_store_contents.h"
-
-// Implements HashStoreContents by storing MACs in the Windows registry.
-class RegistryHashStoreContentsWin : public HashStoreContents {
- public:
-  // Constructs a RegistryHashStoreContents which acts on a registry entry
-  // defined by |registry_path| and |store_key|.
-  explicit RegistryHashStoreContentsWin(const base::string16& registry_path,
-                                        const base::string16& store_key);
-
-  // HashStoreContents overrides:
-  bool IsCopyable() const override;
-  std::unique_ptr<HashStoreContents> MakeCopy() const override;
-  base::StringPiece GetUMASuffix() const override;
-  void Reset() override;
-  bool GetMac(const std::string& path, std::string* out_value) override;
-  bool GetSplitMacs(const std::string& path,
-                    std::map<std::string, std::string>* split_macs) override;
-  void SetMac(const std::string& path, const std::string& value) override;
-  void SetSplitMac(const std::string& path,
-                   const std::string& split_path,
-                   const std::string& value) override;
-  bool RemoveEntry(const std::string& path) override;
-
-  // Unsupported HashStoreContents overrides:
-  void ImportEntry(const std::string& path,
-                   const base::Value* in_value) override;
-  const base::DictionaryValue* GetContents() const override;
-  std::string GetSuperMac() const override;
-  void SetSuperMac(const std::string& super_mac) override;
-
- private:
-  // Helper constructor for |MakeCopy|.
-  explicit RegistryHashStoreContentsWin(
-      const RegistryHashStoreContentsWin& other);
-
-  const base::string16 preference_key_name_;
-};
-
-#endif  // COMPONENTS_USER_PREFS_TRACKED_PREF_REGISTRY_HASH_STORE_CONTENTS_H_