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Unified Diff: components/prefs/pref_registry.h

Issue 1645073005: Revert of Move base/prefs to components/prefs (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 11 months ago
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Index: components/prefs/pref_registry.h
diff --git a/components/prefs/pref_registry.h b/components/prefs/pref_registry.h
deleted file mode 100644
index 7e141d8b7e5d0f5eaf6c4a8147aa9df2a2422190..0000000000000000000000000000000000000000
--- a/components/prefs/pref_registry.h
+++ /dev/null
@@ -1,89 +0,0 @@
-// 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_PREF_REGISTRY_H_
-#define BASE_PREFS_PREF_REGISTRY_H_
-
-#include <stdint.h>
-
-#include "base/containers/hash_tables.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/prefs/base_prefs_export.h"
-#include "base/prefs/pref_value_map.h"
-
-namespace base {
-class Value;
-}
-
-class DefaultPrefStore;
-class PrefStore;
-
-// Preferences need to be registered with a type and default value
-// before they are used.
-//
-// The way you use a PrefRegistry is that you register all required
-// preferences on it (via one of its subclasses), then pass it as a
-// construction parameter to PrefService.
-//
-// Currently, registrations after constructing the PrefService will
-// also work, but this is being deprecated.
-class BASE_PREFS_EXPORT PrefRegistry : public base::RefCounted<PrefRegistry> {
- public:
- // Registration flags that can be specified which impact how the pref will
- // behave or be stored. This will be passed in a bitmask when the pref is
- // registered. Subclasses of PrefRegistry can specify their own flags. Care
- // must be taken to ensure none of these overlap with the flags below.
- enum PrefRegistrationFlags : uint32_t {
- // No flags are specified.
- NO_REGISTRATION_FLAGS = 0,
-
- // The first 8 bits are reserved for subclasses of PrefRegistry to use.
-
- // This marks the pref as "lossy". There is no strict time guarantee on when
- // a lossy pref will be persisted to permanent storage when it is modified.
- LOSSY_PREF = 1 << 8,
- };
-
- typedef PrefValueMap::const_iterator const_iterator;
- typedef base::hash_map<std::string, uint32_t> PrefRegistrationFlagsMap;
-
- PrefRegistry();
-
- // Retrieve the set of registration flags for the given preference. The return
- // value is a bitmask of PrefRegistrationFlags.
- uint32_t GetRegistrationFlags(const std::string& pref_name) const;
-
- // Gets the registered defaults.
- scoped_refptr<PrefStore> defaults();
-
- // Allows iteration over defaults.
- const_iterator begin() const;
- const_iterator end() const;
-
- // Changes the default value for a preference. Takes ownership of |value|.
- //
- // |pref_name| must be a previously registered preference.
- void SetDefaultPrefValue(const std::string& pref_name, base::Value* value);
-
- protected:
- friend class base::RefCounted<PrefRegistry>;
- virtual ~PrefRegistry();
-
- // Used by subclasses to register a default value and registration flags for
- // a preference. |flags| is a bitmask of |PrefRegistrationFlags|.
- void RegisterPreference(const std::string& path,
- base::Value* default_value,
- uint32_t flags);
-
- scoped_refptr<DefaultPrefStore> defaults_;
-
- // A map of pref name to a bitmask of PrefRegistrationFlags.
- PrefRegistrationFlagsMap registration_flags_;
-
- private:
- DISALLOW_COPY_AND_ASSIGN(PrefRegistry);
-};
-
-#endif // BASE_PREFS_PREF_REGISTRY_H_
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