Introduce //components/user_prefs, use to eliminate c/b/prefs dependency in Autofill.

chrome/browser/prefs/pref_registry_syncable.h

Index: chrome/browser/prefs/pref_registry_syncable.h
diff --git a/chrome/browser/prefs/pref_registry_syncable.h b/chrome/browser/prefs/pref_registry_syncable.h
deleted file mode 100644
index d6d1a4ae0e3da60325696076b0b224ccaaeda730..0000000000000000000000000000000000000000
--- a/chrome/browser/prefs/pref_registry_syncable.h
+++ /dev/null
@@ -1,110 +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 CHROME_BROWSER_PREFS_PREF_REGISTRY_SYNCABLE_H_
-#define CHROME_BROWSER_PREFS_PREF_REGISTRY_SYNCABLE_H_
-
-#include <set>
-#include <string>
-
-#include "base/prefs/pref_registry.h"
-
-namespace base {
-class DictionaryValue;
-class FilePath;
-class ListValue;
-class Value;
-}
-
-// A PrefRegistry that forces users to choose whether each registered
-// preference is syncable or not.
-class PrefRegistrySyncable : public PrefRegistry {
- public:
-  typedef base::Callback<void(const char* path)> SyncableRegistrationCallback;
-
-  // Enum used when registering preferences to determine if it should
-  // be synced or not.
-  enum PrefSyncStatus {
-    UNSYNCABLE_PREF,
-    SYNCABLE_PREF
-  };
-
-  PrefRegistrySyncable();
-
-  // Retrieve the set of syncable preferences currently registered.
-  const std::set<std::string>& syncable_preferences() const;
-
-  // Exactly one callback can be set for the event of a syncable
-  // preference being registered. It will be fired after the
-  // registration has occurred.
-  //
-  // Calling this method after a callback has already been set will
-  // make the object forget the previous callback and use the new one
-  // instead.
-  void SetSyncableRegistrationCallback(const SyncableRegistrationCallback& cb);
-
-  void RegisterBooleanPref(const char* path,
-                           bool default_value,
-                           PrefSyncStatus sync_status);
-  void RegisterIntegerPref(const char* path,
-                           int default_value,
-                           PrefSyncStatus sync_status);
-  void RegisterDoublePref(const char* path,
-                          double default_value,
-                          PrefSyncStatus sync_status);
-  void RegisterStringPref(const char* path,
-                          const std::string& default_value,
-                          PrefSyncStatus sync_status);
-  void RegisterFilePathPref(const char* path,
-                            const base::FilePath& default_value,
-                            PrefSyncStatus sync_status);
-  void RegisterListPref(const char* path,
-                        PrefSyncStatus sync_status);
-  void RegisterDictionaryPref(const char* path,
-                              PrefSyncStatus sync_status);
-  void RegisterListPref(const char* path,
-                        base::ListValue* default_value,
-                        PrefSyncStatus sync_status);
-  void RegisterDictionaryPref(const char* path,
-                              base::DictionaryValue* default_value,
-                              PrefSyncStatus sync_status);
-  void RegisterLocalizedBooleanPref(const char* path,
-                                    int locale_default_message_id,
-                                    PrefSyncStatus sync_status);
-  void RegisterLocalizedIntegerPref(const char* path,
-                                    int locale_default_message_id,
-                                    PrefSyncStatus sync_status);
-  void RegisterLocalizedDoublePref(const char* path,
-                                   int locale_default_message_id,
-                                   PrefSyncStatus sync_status);
-  void RegisterLocalizedStringPref(const char* path,
-                                   int locale_default_message_id,
-                                   PrefSyncStatus sync_status);
-  void RegisterInt64Pref(const char* path,
-                         int64 default_value,
-                         PrefSyncStatus sync_status);
-  void RegisterUint64Pref(const char* path,
-                          uint64 default_value,
-                          PrefSyncStatus sync_status);
-
-  // Returns a new PrefRegistrySyncable that uses the same defaults
-  // store.
-  scoped_refptr<PrefRegistrySyncable> ForkForIncognito();
-
- private:
-  virtual ~PrefRegistrySyncable();
-
-  void RegisterSyncablePreference(const char* path,
-                                  base::Value* default_value,
-                                  PrefSyncStatus sync_status);
-
-  SyncableRegistrationCallback callback_;
-
-  // Contains the names of all registered preferences that are syncable.
-  std::set<std::string> syncable_preferences_;
-
-  DISALLOW_COPY_AND_ASSIGN(PrefRegistrySyncable);
-};
-
-#endif  // CHROME_BROWSER_PREFS_PREF_REGISTRY_SYNCABLE_H_