RefCounted types should not have public destructors, chrome/browser/extensions

chrome/browser/extensions/api/alarms/alarms_api.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_API_ALARMS_ALARMS_API_H__
 #define CHROME_BROWSER_EXTENSIONS_API_ALARMS_ALARMS_API_H__
 #pragma once
 
 #include "chrome/browser/extensions/extension_function.h"
 
 namespace extensions {
 
 class AlarmsCreateFunction : public SyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.alarms.create");
+
  protected:
+  virtual ~AlarmsCreateFunction() {}
+
+  // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
-  DECLARE_EXTENSION_FUNCTION_NAME("experimental.alarms.create");
 };
 
 class AlarmsGetFunction : public SyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.alarms.get");
+
  protected:
+  virtual ~AlarmsGetFunction() {}
+
+  // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
-  DECLARE_EXTENSION_FUNCTION_NAME("experimental.alarms.get");
 };
 
 class AlarmsGetAllFunction : public SyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.alarms.getAll");
+
  protected:
+  virtual ~AlarmsGetAllFunction() {}
+
+  // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
-  DECLARE_EXTENSION_FUNCTION_NAME("experimental.alarms.getAll");
 };
 
 class AlarmsClearFunction : public SyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.alarms.clear");
+
  protected:
+  virtual ~AlarmsClearFunction() {}
+
+  // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
-  DECLARE_EXTENSION_FUNCTION_NAME("experimental.alarms.clear");
 };
 
 class AlarmsClearAllFunction : public SyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("experimental.alarms.clearAll");
+
  protected:
+  virtual ~AlarmsClearAllFunction() {}
+
+  // ExtensionFunction:
   virtual bool RunImpl() OVERRIDE;
-  DECLARE_EXTENSION_FUNCTION_NAME("experimental.alarms.clearAll");
 };
 
 } //  namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_ALARMS_ALARMS_API_H__