Second patch in making destructors of refcounted objects private.

net/proxy/proxy_service.cc

 // Copyright (c) 2006-2008 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/proxy_service.h"
 
 #include <algorithm>
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
@@ skipping 152 matching lines @@
       results_->RemoveBadProxies(service_->proxy_retry_info_);
 
     LoadLog::EndEvent(load_log_, LoadLog::TYPE_PROXY_SERVICE);
 
     return result_code;
   }
 
   LoadLog* load_log() const { return load_log_; }
 
  private:
+  friend class base::RefCounted<ProxyService::PacRequest>;
+
+  ~PacRequest() {}
+
   // Callback for when the ProxyResolver request has completed.
   void QueryComplete(int result_code) {
     result_code = QueryDidComplete(result_code);
 
     // Remove this completed PacRequest from the service's pending list.
     /// (which will probably cause deletion of |this|).
     CompletionCallback* callback = user_callback_;
     service_->RemovePendingRequest(this);
 
     callback->Run(result_code);
@@ skipping 606 matching lines @@
     OnCompletion(result_);
   }
 }
 
 void SyncProxyServiceHelper::OnCompletion(int rv) {
   result_ = rv;
   event_.Signal();
 }
 
 }  // namespace net