Add an action for server to send down rollback command.

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.
 
 // Keep this file in sync with the .proto files in this directory.
 
 #include "sync/protocol/proto_enum_conversions.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
@@ skipping 132 matching lines @@
     ENUM_CASE(sync_pb::SyncEnums, ACCESS_DENIED);
     ENUM_CASE(sync_pb::SyncEnums, NOT_MY_BIRTHDAY);
     ENUM_CASE(sync_pb::SyncEnums, THROTTLED);
     ENUM_CASE(sync_pb::SyncEnums, AUTH_EXPIRED);
     ENUM_CASE(sync_pb::SyncEnums, USER_NOT_ACTIVATED);
     ENUM_CASE(sync_pb::SyncEnums, AUTH_INVALID);
     ENUM_CASE(sync_pb::SyncEnums, CLEAR_PENDING);
     ENUM_CASE(sync_pb::SyncEnums, TRANSIENT_ERROR);
     ENUM_CASE(sync_pb::SyncEnums, MIGRATION_DONE);
     ENUM_CASE(sync_pb::SyncEnums, DISABLED_BY_ADMIN);
+    ENUM_CASE(sync_pb::SyncEnums, USER_ROLLBACK);
     ENUM_CASE(sync_pb::SyncEnums, UNKNOWN);
   }
   NOTREACHED();
   return "";
 }
 
 const char* GetActionString(sync_pb::SyncEnums::Action action) {
   ASSERT_ENUM_BOUNDS(sync_pb::SyncEnums, Action,
                      UPGRADE_CLIENT, UNKNOWN_ACTION);
   switch (action) {
@@ skipping 94 matching lines @@
     ENUM_CASE(sync_pb::TabNavigation, STATE_BLOCKED);
   }
   NOTREACHED();
   return "";
 }
 
 #undef ASSERT_ENUM_BOUNDS
 #undef ENUM_CASE
 
 }  // namespace syncer