sync: make ServerConnectionManager explicitly NonThreadSafe

chrome/test/sync/engine/mock_connection_manager.cc

 // Copyright (c) 2011 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 "chrome/test/sync/engine/mock_connection_manager.h"
 
 #include <map>
 
@@ skipping 591 matching lines @@
       return &(filter.Get(i));
     }
   }
   return NULL;
 }
 
 void MockConnectionManager::SetServerReachable() {
   server_status_ = HttpResponse::SERVER_CONNECTION_OK;
   server_reachable_ = true;
 
-  listeners_->Notify(&ServerConnectionEventListener::OnServerConnectionEvent,
-      ServerConnectionEvent(server_status_, server_reachable_));
+  FOR_EACH_OBSERVER(ServerConnectionEventListener, listeners_,
+     OnServerConnectionEvent(
+         ServerConnectionEvent(server_status_, server_reachable_)));
 }
 
 void MockConnectionManager::SetServerNotReachable() {
   server_status_ = HttpResponse::CONNECTION_UNAVAILABLE;
   server_reachable_ = false;
 
-  listeners_->Notify(&ServerConnectionEventListener::OnServerConnectionEvent,
-      ServerConnectionEvent(server_status_, server_reachable_));
+  FOR_EACH_OBSERVER(ServerConnectionEventListener, listeners_,
+     OnServerConnectionEvent(
+         ServerConnectionEvent(server_status_, server_reachable_)));
 }