Add Unseen state to Reading List Entry

components/sync/protocol/proto_enum_conversions.cc

 // Copyright (c) 2012 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.
 
 #include "components/sync/protocol/proto_enum_conversions.h"
 
 #include "base/logging.h"
 
 namespace syncer {
 
@@ skipping 317 matching lines @@
     ENUM_CASE(sync_pb::TabNavigation, NO_PASSWORD_FIELD);
     ENUM_CASE(sync_pb::TabNavigation, HAS_PASSWORD_FIELD);
   }
   NOTREACHED();
   return "";
 }
 
 const char* ProtoEnumToString(
     sync_pb::ReadingListSpecifics::ReadingListEntryStatus status) {
   ASSERT_ENUM_BOUNDS(sync_pb::ReadingListSpecifics, ReadingListEntryStatus,
-                     UNREAD, READ);
+                     UNREAD, UNSEEN);
   switch (status) {
     ENUM_CASE(sync_pb::ReadingListSpecifics, UNREAD);
     ENUM_CASE(sync_pb::ReadingListSpecifics, READ);
+    ENUM_CASE(sync_pb::ReadingListSpecifics, UNSEEN);
   }
   NOTREACHED();
   return "";
 }
 
 #undef ASSERT_ENUM_BOUNDS
 #undef ENUM_CASE
 
 }  // namespace syncer