Implementation of leveldb-backed PrefStore

base/prefs/persistent_pref_store.h

 // 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.
 
 #ifndef BASE_PREFS_PERSISTENT_PREF_STORE_H_
 #define BASE_PREFS_PERSISTENT_PREF_STORE_H_
 
 #include <string>
 
 #include "base/prefs/base_prefs_export.h"
@@ skipping 12 matching lines @@
     PREF_READ_ERROR_NONE = 0,
     PREF_READ_ERROR_JSON_PARSE,
     PREF_READ_ERROR_JSON_TYPE,
     PREF_READ_ERROR_ACCESS_DENIED,
     PREF_READ_ERROR_FILE_OTHER,
     PREF_READ_ERROR_FILE_LOCKED,
     PREF_READ_ERROR_NO_FILE,
     PREF_READ_ERROR_JSON_REPEAT,
     PREF_READ_ERROR_OTHER,
     PREF_READ_ERROR_FILE_NOT_SPECIFIED,
+    PREF_READ_ERROR_LEVELDB_IO,
+    PREF_READ_ERROR_LEVELDB_CORRUPTION_READ_ONLY,
+    PREF_READ_ERROR_LEVELDB_CORRUPTION,
     PREF_READ_ERROR_MAX_ENUM
   };
 
   class ReadErrorDelegate {
    public:
     virtual ~ReadErrorDelegate() {}
 
     virtual void OnError(PrefReadError error) = 0;
   };
 
@@ skipping 32 matching lines @@
   virtual void ReadPrefsAsync(ReadErrorDelegate* error_delegate) = 0;
 
   // Lands any pending writes to disk.
   virtual void CommitPendingWrite() = 0;
 
  protected:
   virtual ~PersistentPrefStore() {}
 };
 
 #endif  // BASE_PREFS_PERSISTENT_PREF_STORE_H_