RefCounted types should not have public destructors, Linux fixes

chrome/browser/ui/webui/options2/certificate_manager_handler2.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/ui/webui/options2/certificate_manager_handler2.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/file_util.h"  // for FileAccessProvider
 #include "base/memory/scoped_vector.h"
@@ skipping 156 matching lines @@
 
   Handle StartRead(const FilePath& path,
                    CancelableRequestConsumerBase* consumer,
                    const ReadCallback& callback);
   Handle StartWrite(const FilePath& path,
                     const std::string& data,
                     CancelableRequestConsumerBase* consumer,
                     const WriteCallback& callback);
 
  private:
+  friend class base::RefCountedThreadSafe<FileAccessProvider>;
+  virtual ~FileAccessProvider() {}
+
   void DoRead(scoped_refptr<CancelableRequest<ReadCallback> > request,
               FilePath path);
   void DoWrite(scoped_refptr<CancelableRequest<WriteCallback> > request,
               FilePath path,
               std::string data);
 };
 
 CancelableRequestProvider::Handle FileAccessProvider::StartRead(
     const FilePath& path,
     CancelableRequestConsumerBase* consumer,
@@ skipping 860 matching lines @@
   web_ui()->CallJavascriptFunction("CertificateManager.onCheckTpmTokenReady",
                                    ready);
 }
 #endif
 
 gfx::NativeWindow CertificateManagerHandler::GetParentWindow() const {
   return web_ui()->GetWebContents()->GetView()->GetTopLevelNativeWindow();
 }
 
 }  // namespace options2