sync: Gracefully handle very early shutdown

sync/test/engine/mock_connection_manager.cc

 // Copyright 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.
 //
 // Mock ServerConnectionManager class for use in client regression tests.
 
 #include "sync/test/engine/mock_connection_manager.h"
 
 #include <map>
 
@@ skipping 16 matching lines @@
 using sync_pb::SyncEnums;
 
 namespace syncer {
 
 using syncable::WriteTransaction;
 
 static char kValidAuthToken[] = "AuthToken";
 static char kCacheGuid[] = "kqyg7097kro6GSUod+GSg==";
 
 MockConnectionManager::MockConnectionManager(syncable::Directory* directory)
-    : ServerConnectionManager("unused", 0, false, false),
+    : ServerConnectionManager("unused", 0, false, false, NULL),
       server_reachable_(true),
       conflict_all_commits_(false),
       conflict_n_commits_(0),
       next_new_id_(10000),
       store_birthday_("Store BDay!"),
       store_birthday_sent_(false),
       client_stuck_(false),
       countdown_to_postbuffer_fail_(0),
       directory_(directory),
       mid_commit_observer_(NULL),
@@ skipping 678 matching lines @@
     server_status_ = HttpResponse::SERVER_CONNECTION_OK;
   }
 }
 
 void MockConnectionManager::SetServerStatus(
     HttpResponse::ServerConnectionCode server_status) {
   server_status_ = server_status;
 }
 
 }  // namespace syncer