Update to Chromium revision 40af916d (#303546).

- Standardize usage of virtual/override specifiers in CEF internals (see http://crbug.com/417463).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1903 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/browser/cookie_manager_impl.cc

@@ -16,7 +16,7 @@
 #include "libcef/common/time_util.h"
 
 #include "base/bind.h"
-#include "base/file_util.h"
+#include "base/files/file_util.h"
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/threading/thread_restrictions.h"
@@ -63,6 +63,10 @@ class VisitCookiesCallback : public base::RefCounted<VisitCookiesCallback> {
   }
 
  private:
+  friend class base::RefCounted<VisitCookiesCallback>;
+
+  ~VisitCookiesCallback() {}
+
   scoped_refptr<net::CookieMonster> cookie_monster_;
   CefRefPtr<CefCookieVisitor> visitor_;
 };