RefCounted types should not have public destructors, net/

net/base/host_resolver_impl_unittest.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 "net/base/host_resolver_impl.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 279 matching lines @@
     std::string ip_literal = base::StringPrintf("192.%d.%d.%d",
         static_cast<int>(hostname.size()),
         static_cast<int>(hostname[0]),
         static_cast<int>(address_family));
 
     return SystemHostResolverProc(ip_literal,
                                   ADDRESS_FAMILY_UNSPECIFIED,
                                   host_resolver_flags,
                                   addrlist, os_error);
   }
+
+ private:
+  virtual ~EchoingHostResolverProc() {}
 };
 
 // Using LookupAttemptHostResolverProc simulate very long lookups, and control
 // which attempt resolves the host.
 class LookupAttemptHostResolverProc : public HostResolverProc {
  public:
   LookupAttemptHostResolverProc(HostResolverProc* previous,
                                 int attempt_number_to_resolve,
                                 int total_attempts)
       : HostResolverProc(previous),
@@ skipping 1654 matching lines @@
     EXPECT_EQ("[::1]:80", ipv6string);
   EXPECT_EQ(1u, NumberOfAddresses(req6.addrlist()));
 
   // Request with upper case.
   ResolveRequest req7(host_resolver.get(), "er_IPV4", 80);
   EXPECT_EQ(OK, req7.result());
   EXPECT_EQ("127.0.0.1:80", FirstAddressToString(req7.addrlist()));
 }
 
 }  // namespace net