RefCounted types should not have public destructors, chrome/browser/ part 1

chrome/browser/net/sqlite_server_bound_cert_store_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 "base/bind.h"
 #include "base/file_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_vector.h"
 #include "base/message_loop.h"
 #include "base/scoped_temp_dir.h"
@@ skipping 471 matching lines @@
   void Callback() {
     ++callback_count_;
   }
 
   int callback_count() {
     return callback_count_;
   }
 
  private:
   friend class base::RefCountedThreadSafe<CallbackCounter>;
+  ~CallbackCounter() {}
+
   volatile int callback_count_;
 };
 
 // Test that we can get a completion callback after a Flush().
 TEST_F(SQLiteServerBoundCertStoreTest, TestFlushCompletionCallback) {
   scoped_refptr<CallbackCounter> counter(new CallbackCounter());
 
   // Callback shouldn't be invoked until we call Flush().
   ASSERT_EQ(0, counter->callback_count());
 
   store_->Flush(base::Bind(&CallbackCounter::Callback, counter.get()));
 
   scoped_refptr<base::ThreadTestHelper> helper(
       new base::ThreadTestHelper(
           BrowserThread::GetMessageLoopProxyForThread(BrowserThread::DB)));
   ASSERT_TRUE(helper->Run());
 
   ASSERT_EQ(1, counter->callback_count());
 }