Revert of Bring up of the enhanced bookmarks cluster service.

components/enhanced_bookmarks/bookmark_server_cluster_service.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_ENHANCED_BOOKMARKS_BOOKMARK_SERVER_CLUSTER_SERVICE_H_
-#define COMPONENTS_ENHANCED_BOOKMARKS_BOOKMARK_SERVER_CLUSTER_SERVICE_H_
-
-#include <string>
-#include <vector>
-
-#include "base/compiler_specific.h"
-#include "components/enhanced_bookmarks/bookmark_server_service.h"
-#include "components/keyed_service/content/browser_context_keyed_service_factory.h"
-#include "components/signin/core/browser/signin_manager_base.h"
-#include "net/url_request/url_fetcher.h"
-
-class PrefService;
-
-namespace enhanced_bookmarks {
-
-// Manages requests to the bookmark server to retrieve the current clustering
-// state for the bookmarks. A cluster is simply a named set of bookmarks related
-// to each others.
-class BookmarkServerClusterService : public KeyedService,
-                                     public BookmarkServerService,
-                                     public SigninManagerBase::Observer {
- public:
-  // Maps a cluster name to the stars.id of the bookmarks.
-  typedef std::map<std::string, std::vector<std::string>> ClusterMap;
-  // |application_language_code| should be a ISO 639-1 compliant string. Aka
-  // 'en' or 'en-US'. Note that this code should only specify the language, not
-  // the locale, so 'en_US' (english language with US locale) and 'en-GB_US'
-  // (British english person in the US) are not language code.
-  BookmarkServerClusterService(
-      const std::string& application_language_code,
-      scoped_refptr<net::URLRequestContextGetter> request_context_getter,
-      ProfileOAuth2TokenService* token_service,
-      SigninManagerBase* signin_manager,
-      EnhancedBookmarkModel* enhanced_bookmark_model,
-      PrefService* pref_service);
-  virtual ~BookmarkServerClusterService();
-
-  // Retrieves all the bookmarks associated with a cluster. The returned
-  // BookmarkNodes are owned by the bookmark model, and one must listen to the
-  // model observer notification to clear them.
-  const std::vector<const BookmarkNode*> BookmarksForClusterNamed(
-      const std::string& cluster_name) const;
-
-  // Returns the clusters in which the passed bookmark is in, if any.
-  const std::vector<std::string> ClustersForBookmark(
-      const BookmarkNode* bookmark) const;
-
-  // Dynamically generates a vector of all clusters names.
-  const std::vector<std::string> GetClusters() const;
-
-  // Registers server cluster service prefs.
-  static void RegisterPrefs(user_prefs::PrefRegistrySyncable* registry);
-
- protected:
-  // BookmarkServerService methods.
-  virtual scoped_ptr<net::URLFetcher> CreateFetcher() override;
-  virtual bool ProcessResponse(const std::string& response,
-                               bool* should_notify) override;
-  virtual void CleanAfterFailure() override;
-
-  // EnhancedBookmarkModelObserver methods.
-  virtual void EnhancedBookmarkModelLoaded() override;
-  virtual void EnhancedBookmarkAdded(const BookmarkNode* node) override;
-  virtual void EnhancedBookmarkRemoved(const BookmarkNode* node) override;
-  virtual void EnhancedBookmarkAllUserNodesRemoved() override;
-  virtual void EnhancedBookmarkRemoteIdChanged(
-      const BookmarkNode* node,
-      const std::string& old_remote_id,
-      const std::string& remote_id) override;
-
- private:
-  FRIEND_TEST_ALL_PREFIXES(BookmarkServerServiceTest, Cluster);
-  FRIEND_TEST_ALL_PREFIXES(BookmarkServerServiceTest, SignOut);
-  FRIEND_TEST_ALL_PREFIXES(BookmarkServerServiceTest, Serialization);
-  FRIEND_TEST_ALL_PREFIXES(BookmarkServerServiceTest, SaveToPrefs);
-  FRIEND_TEST_ALL_PREFIXES(BookmarkServerServiceTest, BadAuth);
-  FRIEND_TEST_ALL_PREFIXES(BookmarkServerServiceTest, EmptyAuth);
-  FRIEND_TEST_ALL_PREFIXES(BookmarkServerServiceTest,
-                           ClearClusterMapOnRemoveAllBookmarks);
-
-  // Overriden from SigninManagerBase::Observer.
-  virtual void GoogleSignedOut(const std::string& account_id,
-                               const std::string& username) override;
-
-  // Updates |cluster_data_| with the |cluster_map| and saves the result to
-  // profile prefs. All changes to |cluster_data_| should go through this method
-  // to ensure profile prefs is always up to date.
-  // TODO(noyau): This is probably a misuse of profile prefs. While the expected
-  // amount of data is small (<1kb), it can theoretically reach megabytes in
-  // size.
-  void SwapModel(ClusterMap* cluster_map);
-  // Updates |cluster_data_| from profile prefs.
-  void LoadModel();
-
-  // Serialize the |cluster_map| into the returned dictionary value.. The
-  // |auth_id| uniquely identify the signed in user, to avoid deserializing data
-  // for a different one.
-  static scoped_ptr<base::DictionaryValue> Serialize(
-      const ClusterMap& cluster_map,
-      const std::string& auth_id);
-  // Returns true on success.
-  // The result is swapped into |out_map|.
-  // |auth_id| must match the serialized auth_id for this method to succeed.
-  static bool Deserialize(const base::DictionaryValue& value,
-                          const std::string& auth_id,
-                          ClusterMap* out_map);
-
-  // The ISO 639-1 code of the language used by the application.
-  const std::string application_language_code_;
-  // The preferences services associated with the relevant profile.
-  PrefService* pref_service_;
-  // The cluster data, a map from cluster name to a vector of stars.id.
-  ClusterMap cluster_data_;
-
-  DISALLOW_COPY_AND_ASSIGN(BookmarkServerClusterService);
-};
-
-}  // namespace enhanced_bookmarks
-
-#endif  // COMPONENTS_ENHANCED_BOOKMARKS_BOOKMARK_SERVER_CLUSTER_SERVICE_H_