RefCounted types should not have public destructors, net/

net/proxy/polling_proxy_config_service.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.
 
 #include "net/proxy/polling_proxy_config_service.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop_proxy.h"
@@ skipping 79 matching lines @@
     last_poll_time_ = base::TimeTicks::Now();
     poll_task_outstanding_ = true;
     poll_task_queued_ = false;
     base::WorkerPool::PostTask(
         FROM_HERE,
         base::Bind(&Core::PollOnWorkerThread, this, get_config_func_),
         true);
   }
 
  private:
+  friend class base::RefCountedThreadSafe<Core>;
+  ~Core() {}
+
   void PollOnWorkerThread(GetConfigFunction func) {
     ProxyConfig config;
     func(&config);
 
     base::AutoLock l(lock_);
     if (origin_loop_proxy_) {
       origin_loop_proxy_->PostTask(
           FROM_HERE,
           base::Bind(&Core::GetConfigCompleted, this, config));
     }
@@ skipping 73 matching lines @@
 
 PollingProxyConfigService::~PollingProxyConfigService() {
   core_->Orphan();
 }
 
 void PollingProxyConfigService::CheckForChangesNow() {
   core_->CheckForChangesNow();
 }
 
 }  // namespace net