Using a mock LevelDBTransaction for corruption tests.

content/browser/indexed_db/leveldb/leveldb_transaction.h

 // Copyright (c) 2013 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.
 
 #ifndef CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_TRANSACTION_H_
 #define CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_TRANSACTION_H_
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_piece.h"
 #include "content/browser/indexed_db/leveldb/leveldb_comparator.h"
 #include "content/browser/indexed_db/leveldb/leveldb_database.h"
 #include "content/browser/indexed_db/leveldb/leveldb_iterator.h"
 
 namespace content {
 
 class LevelDBWriteBatch;
 
 class CONTENT_EXPORT LevelDBTransaction
     : public base::RefCounted<LevelDBTransaction> {
  public:
 
   void Put(const base::StringPiece& key, std::string* value);
   void Remove(const base::StringPiece& key);
-  leveldb::Status Get(const base::StringPiece& key,
-                      std::string* value,
-                      bool* found);
-  leveldb::Status Commit();
+  virtual leveldb::Status Get(const base::StringPiece& key,
+                              std::string* value,
+                              bool* found);
+  virtual leveldb::Status Commit();
   void Rollback();
 
   scoped_ptr<LevelDBIterator> CreateIterator();
 
- private:
+ protected:
   virtual ~LevelDBTransaction();
   explicit LevelDBTransaction(LevelDBDatabase* db);
   friend class IndexedDBClassFactory;
+
+ private:
   friend class base::RefCounted<LevelDBTransaction>;
   FRIEND_TEST_ALL_PREFIXES(LevelDBDatabaseTest, Transaction);
   FRIEND_TEST_ALL_PREFIXES(LevelDBDatabaseTest, TransactionCommitTest);
   FRIEND_TEST_ALL_PREFIXES(LevelDBDatabaseTest, TransactionIterator);
 
   struct Record {
     Record();
     ~Record();
     std::string key;
     std::string value;
@@ skipping 114 matching lines @@
   LevelDBDatabase* db_;
   scoped_ptr<LevelDBWriteBatch> write_batch_;
   bool finished_;
 
   DISALLOW_COPY_AND_ASSIGN(LevelDBDirectTransaction);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_LEVELDB_LEVELDB_TRANSACTION_H_