Audit the destructors of classes derived from net::URLRequestContextGetter

chrome/browser/io_thread.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.
 
 #include "chrome/browser/io_thread.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 230 matching lines @@
   context->set_server_bound_cert_service(
       globals->system_server_bound_cert_service.get());
   return context;
 }
 
 }  // namespace
 
 class SystemURLRequestContextGetter : public net::URLRequestContextGetter {
  public:
   explicit SystemURLRequestContextGetter(IOThread* io_thread);
-  virtual ~SystemURLRequestContextGetter();
 
   // Implementation for net::UrlRequestContextGetter.
   virtual net::URLRequestContext* GetURLRequestContext();
   virtual scoped_refptr<base::MessageLoopProxy> GetIOMessageLoopProxy() const;
 
+ protected:
+  virtual ~SystemURLRequestContextGetter();
+
  private:
   IOThread* const io_thread_;  // Weak pointer, owned by BrowserProcess.
   scoped_refptr<base::MessageLoopProxy> io_message_loop_proxy_;
 
   base::debug::LeakTracker<SystemURLRequestContextGetter> leak_tracker_;
 };
 
 SystemURLRequestContextGetter::SystemURLRequestContextGetter(
     IOThread* io_thread)
     : io_thread_(io_thread),
@@ skipping 328 matching lines @@
       new net::HttpNetworkLayer(
           new net::HttpNetworkSession(system_params)));
   globals_->system_ftp_transaction_factory.reset(
       new net::FtpNetworkLayer(globals_->host_resolver.get()));
   globals_->system_request_context =
       ConstructSystemRequestContext(globals_, net_log_);
 
   sdch_manager_->set_sdch_fetcher(
       new SdchDictionaryFetcher(system_url_request_context_getter_.get()));
 }