Revert of Add Store+Sync to reading list.

ios/chrome/browser/reading_list/reading_list_entry.h

Index: ios/chrome/browser/reading_list/reading_list_entry.h
diff --git a/ios/chrome/browser/reading_list/reading_list_entry.h b/ios/chrome/browser/reading_list/reading_list_entry.h
index 0b1c27f297d9a0ea78a44d4e92d613df74461bee..c99c84963c4c964676c3a8aaa924a6544dc47f3d 100644
--- a/ios/chrome/browser/reading_list/reading_list_entry.h
+++ b/ios/chrome/browser/reading_list/reading_list_entry.h
@@ -9,20 +9,8 @@
 
 #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
@@ -63,47 +51,8 @@
   // 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);
@@ -114,27 +63,12 @@
   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);
 };