Move ManagedBookmarksTracker from policy/core/browser to bookmarks/managed

components/policy/core/browser/managed_bookmarks_tracker.h

-// Copyright 2014 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_MANAGED_BOOKMARKS_TRACKER_H_
-#define COMPONENTS_POLICY_CORE_BROWSER_MANAGED_BOOKMARKS_TRACKER_H_
-
-#include "base/callback_forward.h"
-#include "base/macros.h"
-#include "base/prefs/pref_change_registrar.h"
-#include "base/strings/string16.h"
-#include "components/policy/policy_export.h"
-
-class GURL;
-class PrefService;
-
-namespace base {
-class ListValue;
-}
-
-namespace bookmarks {
-class BookmarkModel;
-class BookmarkNode;
-class BookmarkPermanentNode;
-}
-
-namespace policy {
-
-// Tracks either the Managed Bookmarks pref (set by policy) or the Supervised
-// Bookmarks pref (set for a supervised user by their custodian) and makes the
-// managed_node()/supervised_node() in the BookmarkModel follow the
-// policy/custodian-defined bookmark tree.
-class POLICY_EXPORT ManagedBookmarksTracker {
- public:
-  typedef base::Callback<std::string()> GetManagementDomainCallback;
-
-  // Shared constants used in the policy configuration.
-  static const char kName[];
-  static const char kUrl[];
-  static const char kChildren[];
-
-  // If |is_supervised| is true, this will track supervised bookmarks rather
-  // than managed bookmarks.
-  ManagedBookmarksTracker(bookmarks::BookmarkModel* model,
-                          PrefService* prefs,
-                          bool is_supervised,
-                          const GetManagementDomainCallback& callback);
-  ~ManagedBookmarksTracker();
-
-  // Returns the initial list of managed bookmarks, which can be passed to
-  // LoadInitial() to do the initial load.
-  scoped_ptr<base::ListValue> GetInitialManagedBookmarks();
-
-  // Loads the initial managed/supervised bookmarks in |list| into |folder|.
-  // New nodes will be assigned IDs starting at |next_node_id|.
-  // Returns the next node ID to use.
-  static int64 LoadInitial(bookmarks::BookmarkNode* folder,
-                           const base::ListValue* list,
-                           int64 next_node_id);
-
-  // Starts tracking the pref for updates to the managed/supervised bookmarks.
-  // Should be called after loading the initial bookmarks.
-  void Init(bookmarks::BookmarkPermanentNode* managed_node);
-
-  bool is_supervised() const { return is_supervised_; }
-
-  // Public for testing.
-  static const char* GetPrefName(bool is_supervised);
-
- private:
-  const char* GetPrefName() const;
-  base::string16 GetBookmarksFolderTitle() const;
-
-  void ReloadManagedBookmarks();
-
-  void UpdateBookmarks(const bookmarks::BookmarkNode* folder,
-                       const base::ListValue* list);
-  static bool LoadBookmark(const base::ListValue* list,
-                           size_t index,
-                           base::string16* title,
-                           GURL* url,
-                           const base::ListValue** children);
-
-  bookmarks::BookmarkModel* model_;
-  const bool is_supervised_;
-  bookmarks::BookmarkPermanentNode* managed_node_;
-  PrefService* prefs_;
-  PrefChangeRegistrar registrar_;
-  GetManagementDomainCallback get_management_domain_callback_;
-
-  DISALLOW_COPY_AND_ASSIGN(ManagedBookmarksTracker);
-};
-
-}  // namespace policy
-
-#endif  // COMPONENTS_POLICY_CORE_BROWSER_MANAGED_BOOKMARKS_TRACKER_H_
-