Removing old prefs storage for BudgetManager

chrome/browser/budget_service/budget_manager.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 CHROME_BROWSER_BUDGET_SERVICE_BUDGET_MANAGER_H_
 #define CHROME_BROWSER_BUDGET_SERVICE_BUDGET_MANAGER_H_
 
 #include <map>
 #include <memory>
 
 #include "base/callback_forward.h"
 #include "base/gtest_prod_util.h"
 #include "chrome/browser/budget_service/budget_database.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "third_party/WebKit/public/platform/modules/budget_service/budget_service.mojom.h"
 
 class Profile;
 
-namespace user_prefs {
-class PrefRegistrySyncable;
-}
-
 namespace url {
 class Origin;
 }
 
 // A budget manager to help Chrome decide how much background work a service
 // worker should be able to do on behalf of the user. The budget is calculated
 // based on the Site Engagment Score and is consumed when a origin does
 // background work on behalf of the user.
 class BudgetManager : public KeyedService {
  public:
   explicit BudgetManager(Profile* profile);
   ~BudgetManager() override;
 
-  static void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
-
   // Query for the base cost for any background processing.
   static double GetCost(blink::mojom::BudgetOperationType type);
 
   using GetBudgetCallback = blink::mojom::BudgetService::GetBudgetCallback;
   using ReserveCallback = blink::mojom::BudgetService::ReserveCallback;
   using ConsumeCallback = base::Callback<void(bool success)>;
 
   // Get the budget associated with the origin. This is passed to the
   // callback. Budget will be a sequence of points describing the time and
   // the budget at that time.
@@ skipping 31 matching lines @@
   Profile* profile_;
   BudgetDatabase db_;
 
   std::map<url::Origin, int> reservation_map_;
   base::WeakPtrFactory<BudgetManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BudgetManager);
 };
 
 #endif  // CHROME_BROWSER_BUDGET_SERVICE_BUDGET_MANAGER_H_