Switch Preferences to use Factory

services/preferences/public/cpp/pref_observer_store.h

 // Copyright 2016 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 SERVICES_PREFERENCES_PUBLIC_CPP_PREFS_OBSERVER_STORE_H_
 #define SERVICES_PREFERENCES_PUBLIC_CPP_PREFS_OBSERVER_STORE_H_
 
 #include <set>
 
 #include "base/macros.h"
@@ skipping 12 matching lines @@
 // The cache is empty until the first notification of OnPreferencesChanged is
 // received from the prefs::mojom::PreferenceManager. Upon recieving an initial
 // OnPreferencesChanged initialization will be considered as completed, and any
 // PrefStore::Observer will be notified of OnInitializationCompleted.
 //
 // Currently this does not support RemoveValue.
 class PrefObserverStore : public ValueMapPrefStore,
                           public prefs::mojom::PreferencesObserver {
  public:
   explicit PrefObserverStore(
-      prefs::mojom::PreferencesManagerPtr prefs_manager_ptr);
+      prefs::mojom::PreferencesFactoryPtr pref_factory_ptr);
 
   // Adds a set of |keys| which PrefObserverStore will handle. Begins listening
   // for changes to these from |prefs_manager_|.
   void Subscribe(const std::set<std::string>& keys);
 
   // PrefStore:
   bool GetValue(const std::string& key,
                 const base::Value** value) const override;
 
   // ValueMapPrefStore:
@@ skipping 16 matching lines @@
 
   // Notifies |prefs_manager_| of the change in |key| - |value| pair.
   void SetValueOnPreferenceManager(const std::string& key,
                                    base::Value const & value);
 
   // prefs::mojom::PreferenceObserver:
   void OnPreferencesChanged(
       std::unique_ptr<base::DictionaryValue> preferences) override;
 
   mojo::Binding<prefs::mojom::PreferencesObserver> prefs_binding_;
+  prefs::mojom::PreferencesFactoryPtr pref_factory_ptr_;
   prefs::mojom::PreferencesManagerPtr prefs_manager_ptr_;
 
   std::set<std::string> keys_;
 
   // True upon the first OnPreferencesChanged received after Init.
   bool initialized_;
 
   DISALLOW_COPY_AND_ASSIGN(PrefObserverStore);
 };
 
 }  // namespace preferences
 #endif  // SERVICES_PREFERENCES_PUBLIC_CPP_PREFS_OBSERVER_STORE_H_