Enable RL sync by default on iOS

components/reading_list/reading_list_entry.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_READING_LIST_READING_LIST_ENTRY_H_
-#define COMPONENTS_READING_LIST_READING_LIST_ENTRY_H_
-
-#include <string>
-
-#include "base/files/file_path.h"
-#include "base/macros.h"
-#include "base/time/time.h"
-#include "net/base/backoff_entry.h"
-#include "url/gurl.h"
-
-namespace reading_list {
-class ReadingListLocal;
-}
-
-namespace sync_pb {
-class ReadingListSpecifics;
-}
-
-class ReadingListEntry;
-using ReadingListEntries = std::vector<ReadingListEntry>;
-
-// An entry in the reading list. The URL is a unique identifier for an entry, as
-// such it should not be empty and is the only thing considered when comparing
-// entries.
-class ReadingListEntry {
- public:
-  ReadingListEntry(const GURL& url, const std::string& title);
-  ReadingListEntry(const GURL& url,
-                   const std::string& title,
-                   std::unique_ptr<net::BackoffEntry> backoff);
-  ReadingListEntry(ReadingListEntry&& entry);
-  ~ReadingListEntry();
-
-  // Entries are created in WAITING state. At some point they will be PROCESSING
-  // into one of the three state: PROCESSED, the only state a distilled URL
-  // would be set, WILL_RETRY, similar to wait, but with exponential delays or
-  // ERROR where the system will not retry at all.
-  enum DistillationState { WAITING, PROCESSING, PROCESSED, WILL_RETRY, ERROR };
-
-  static const net::BackoffEntry::Policy kBackoffPolicy;
-
-  // The URL of the page the user would like to read later.
-  const GURL& URL() const;
-  // The title of the entry. Might be empty.
-  const std::string& Title() const;
-  // What state this entry is in.
-  DistillationState DistilledState() const;
-  // The local file path for the distilled version of the page. This should only
-  // be called if the state is "PROCESSED".
-  const base::FilePath& DistilledPath() const;
-  // The time before the next try. This is automatically increased when the
-  // state is set to WILL_RETRY or ERROR from a non-error state.
-  base::TimeDelta TimeUntilNextTry() const;
-  // The number of time chrome failed to download this entry. This is
-  // automatically increased when the state is set to WILL_RETRY or ERROR from a
-  // non-error state.
-  int FailedDownloadCounter() const;
-
-  // The last update time of the entry. This value may be used to sort the
-  // entries. The value is in microseconds since Jan 1st 1970.
-  int64_t UpdateTime() const;
-
-  // The creation update time of the entry. The value is in microseconds since
-  // Jan 1st 1970.
-  int64_t CreationTime() const;
-
-  // Set the update time to now.
-  void MarkEntryUpdated();
-
-  // Returns a protobuf encoding the content of this ReadingListEntry for local
-  // storage.
-  std::unique_ptr<reading_list::ReadingListLocal> AsReadingListLocal(
-      bool read) const;
-
-  // Returns a protobuf encoding the content of this ReadingListEntry for sync.
-  std::unique_ptr<sync_pb::ReadingListSpecifics> AsReadingListSpecifics(
-      bool read) const;
-
-  // Created a ReadingListEntry from the protobuf format.
-  static std::unique_ptr<ReadingListEntry> FromReadingListLocal(
-      const reading_list::ReadingListLocal& pb_entry);
-
-  // Created a ReadingListEntry from the protobuf format.
-  static std::unique_ptr<ReadingListEntry> FromReadingListSpecifics(
-      const sync_pb::ReadingListSpecifics& pb_entry);
-
-  // Merge the local data from |other| to this.
-  // The local fields (distilled_state_, distilled_url_, backoff_,
-  // failed_download_counter_) of |other| are moved to |this| and must not be
-  // used after this call.
-  void MergeLocalStateFrom(ReadingListEntry& other);
-
-  ReadingListEntry& operator=(ReadingListEntry&& other);
-
-  bool operator==(const ReadingListEntry& other) const;
-
-  // Returns whether |lhs| is more recent than |rhs|.
-  static bool CompareEntryUpdateTime(const ReadingListEntry& lhs,
-                                     const ReadingListEntry& rhs);
-
-  // Sets the title.
-  void SetTitle(const std::string& title);
-  // Sets the distilled URL and switch the state to PROCESSED and reset the time
-  // until the next try.
-  void SetDistilledPath(const base::FilePath& path);
-  // Sets the state to one of PROCESSING, WILL_RETRY or ERROR.
-  void SetDistilledState(DistillationState distilled_state);
-
- private:
-  ReadingListEntry(const GURL& url,
-                   const std::string& title,
-                   int64_t creation_time,
-                   int64_t update_time,
-                   ReadingListEntry::DistillationState distilled_state,
-                   const base::FilePath& distilled_path,
-                   int failed_download_counter,
-                   std::unique_ptr<net::BackoffEntry> backoff);
-  GURL url_;
-  std::string title_;
-  base::FilePath distilled_path_;
-  DistillationState distilled_state_;
-
-  std::unique_ptr<net::BackoffEntry> backoff_;
-  int failed_download_counter_;
-
-  // These value are in microseconds since Jan 1st 1970. They are used for
-  // sorting the entries from the database. They are kept in int64_t to avoid
-  // conversion on each save/read event.
-  int64_t creation_time_us_;
-  int64_t update_time_us_;
-
-  DISALLOW_COPY_AND_ASSIGN(ReadingListEntry);
-};
-
-#endif  // COMPONENTS_READING_LIST_READING_LIST_ENTRY_H_