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-rw-r--r--chrome/browser/pref_store.h46
1 files changed, 0 insertions, 46 deletions
diff --git a/chrome/browser/pref_store.h b/chrome/browser/pref_store.h
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--- a/chrome/browser/pref_store.h
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-// Copyright (c) 2010 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 CHROME_BROWSER_PREF_STORE_H_
-#define CHROME_BROWSER_PREF_STORE_H_
-
-class DictionaryValue;
-
-// This is an abstract interface for reading and writing from/to a persistent
-// preference store, used by |PrefService|. An implementation using a JSON file
-// can be found in |JsonPrefStore|, while an implementation without any backing
-// store (currently used for testing) can be found in |DummyPrefStore|.
-class PrefStore {
- public:
- // Unique integer code for each type of error so we can report them
- // distinctly in a histogram.
- // NOTE: Don't change the order here as it will change the server's meaning
- // of the histogram.
- enum PrefReadError {
- 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,
- };
-
- virtual ~PrefStore() { }
-
- // Whether the store is in a pseudo-read-only mode where changes are not
- // actually persisted to disk. This happens in some cases when there are
- // read errors during startup.
- virtual bool ReadOnly() { return true; }
-
- virtual DictionaryValue* Prefs() = 0;
-
- virtual PrefReadError ReadPrefs() = 0;
-
- virtual bool WritePrefs() { return true; }
-
- virtual void ScheduleWritePrefs() { }
-};
-
-#endif // CHROME_BROWSER_PREF_STORE_H_