Prepare password_bubble_experiment and password_manager_util for componentisation

chrome/browser/ui/passwords/password_bubble_experiment.h

 // Copyright 2014 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_UI_PASSWORDS_PASSWORD_BUBBLE_EXPERIMENT_H_
 #define CHROME_BROWSER_UI_PASSWORDS_PASSWORD_BUBBLE_EXPERIMENT_H_
 
 #include "base/macros.h"
 #include "components/password_manager/core/browser/password_manager_metrics_util.h"
 
-class Profile;
+class PrefService;
+
+namespace sync_driver {
+class SyncService;
+}
 
 namespace password_bubble_experiment {
 
 // Should be called when user dismisses the "Save Password?" dialog. It stores
 // the statistics about interactions with the bubble.
 void RecordBubbleClosed(
     PrefService* prefs,
     password_manager::metrics_util::UIDismissalReason reason);
 
 // Returns true if the password manager should be referred to as Smart Lock.
 // This is only true for signed-in users.
-bool IsSmartLockBrandingEnabled(Profile* profile);
+bool IsSmartLockBrandingEnabled(const sync_driver::SyncService* sync_service);
 
 }  // namespace password_bubble_experiment
 
 #endif  // CHROME_BROWSER_UI_PASSWORDS_PASSWORD_BUBBLE_EXPERIMENT_H_