Second patch in making destructors of refcounted objects private.

net/base/cookie_store.h

 // Copyright (c) 2006-2009 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.
 
 // Brought to you by number 42.
 
 #ifndef NET_BASE_COOKIE_STORE_H_
 #define NET_BASE_COOKIE_STORE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/ref_counted.h"
 #include "base/time.h"
 #include "net/base/cookie_options.h"
 
 class GURL;
 
 namespace net {
 
 class CookieMonster;
 
 // An interface for storing and retrieving cookies. Implementations need to
 // be thread safe as its methods can be accessed from IO as well as UI threads.
 class CookieStore : public base::RefCountedThreadSafe<CookieStore> {
  public:
-   virtual ~CookieStore() {}
-
   // Set a single cookie.  Expects a cookie line, like "a=1; domain=b.com".
   virtual bool SetCookie(const GURL& url, const std::string& cookie_line) = 0;
   virtual bool SetCookieWithOptions(const GURL& url,
                                     const std::string& cookie_line,
                                     const CookieOptions& options) = 0;
   // Sets a single cookie with a specific creation date. To set a cookie with
   // a creation date of Now() use SetCookie() instead (it calls this function
   // internally).
   virtual bool SetCookieWithCreationTime(const GURL& url,
                                          const std::string& cookie_line,
@@ skipping 14 matching lines @@
   // that big or do we need multiple Cookie: headers?
   // Simple interface, get a cookie string "a=b; c=d" for the given URL.
   // It will _not_ return httponly cookies, see CookieOptions.
   virtual std::string GetCookies(const GURL& url) = 0;
   virtual std::string GetCookiesWithOptions(const GURL& url,
                                             const CookieOptions& options) = 0;
 
   virtual CookieMonster* GetCookieMonster() {
     return NULL;
   };
+
+ protected:
+  friend class base::RefCountedThreadSafe<CookieStore>;
+  virtual ~CookieStore() {}
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_COOKIE_STORE_H_