RefCounted types should not have public destructors, webkit/

webkit/database/quota_table_unittest.cc

 // Copyright (c) 2011 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/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "sql/connection.h"
 #include "sql/statement.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/database/quota_table.h"
 
 namespace {
 
 class TestErrorDelegate : public sql::ErrorDelegate {
  public:
-  virtual ~TestErrorDelegate() { }
-  virtual int OnError(
-      int error, sql::Connection* connection, sql::Statement* stmt) {
+  virtual int OnError(int error,
+                      sql::Connection* connection,
+                      sql::Statement* stmt) OVERRIDE {
     return error;
   }
+
+ protected:
+  virtual ~TestErrorDelegate() {}
 };
 
 }  // namespace
 
 namespace webkit_database {
 
 static bool QuotaTableIsEmpty(sql::Connection* db) {
   sql::Statement statement(db->GetCachedStatement(
       SQL_FROM_HERE, "SELECT COUNT(*) FROM Quota"));
   return (statement.is_valid() && statement.Step() && !statement.ColumnInt(0));
@@ skipping 26 matching lines @@
 
   // Clear the quota for an origin
   EXPECT_TRUE(quota_table.ClearOriginQuota(origin));
   EXPECT_TRUE(quota_table.GetOriginQuota(origin) < 0);
 
   // Check that there's no quota set for unknown origins.
   EXPECT_TRUE(quota_table.GetOriginQuota(ASCIIToUTF16("unknown_origin")) < 0);
 }
 
 }  // namespace webkit_database