Prepare password_bubble_experiment and password_manager_util for componentisation

chrome/browser/password_manager/password_manager_util.h

Index: chrome/browser/password_manager/password_manager_util.h
diff --git a/chrome/browser/password_manager/password_manager_util.h b/chrome/browser/password_manager/password_manager_util.h
index e01ac228f2cba7e4b8ecd48c441e91b229495d25..69c3754ab8f2330729ccd57feecabf00596d9afb 100644
--- a/chrome/browser/password_manager/password_manager_util.h
+++ b/chrome/browser/password_manager/password_manager_util.h
@@ -10,7 +10,9 @@
 #include "components/password_manager/core/browser/password_manager_client.h"
 #include "ui/gfx/native_widget_types.h"
 
-class ProfileSyncService;
+namespace sync_driver {
+class SyncService;
+}
 
 namespace password_manager_util {
 
@@ -40,7 +42,7 @@ void GetOsPasswordStatus(const base::Callback<void(OsPasswordStatus)>& reply);
 // Reports whether and how passwords are currently synced. In particular, for a
 // null |sync_service| returns NOT_SYNCING_PASSWORDS.
 password_manager::PasswordSyncState GetPasswordSyncState(
-    const ProfileSyncService* sync_service);
+    const sync_driver::SyncService* sync_service);
 
 }  // namespace password_manager_util