Prepare password_bubble_experiment and password_manager_util for componentisation

chrome/browser/password_manager/password_manager_util.h

 // Copyright 2013 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_PASSWORD_MANAGER_PASSWORD_MANAGER_UTIL_H_
 #define CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_MANAGER_UTIL_H_
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #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 {
 
 enum OsPasswordStatus {
   PASSWORD_STATUS_UNKNOWN = 0,
   PASSWORD_STATUS_UNSUPPORTED,
   PASSWORD_STATUS_BLANK,
   PASSWORD_STATUS_NONBLANK,
   PASSWORD_STATUS_WIN_DOMAIN,
   // NOTE: Add new status types only immediately above this line. Also,
   // make sure the enum list in tools/histogram/histograms.xml is
   // updated with any change in here.
   MAX_PASSWORD_STATUS
 };
 
 // Attempts to (re-)authenticate the user of the OS account. Returns true if
 // the user was successfully authenticated, or if authentication was not
 // possible. On platforms where reauthentication is not possible or does not
 // make sense, the default implementation always returns true.
 bool AuthenticateUser(gfx::NativeWindow window);
 
 // Query the system to determine whether the current logged on user has a
 // password set on their OS account.  It should be called on UI thread. |reply|
 // is invoked on UI thread with result.
 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
 
 #endif  // CHROME_BROWSER_PASSWORD_MANAGER_PASSWORD_MANAGER_UTIL_H_