sync: Change progress marker checking in tests

chrome/browser/sync/test/integration/single_client_status_change_checker.cc

 // 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.
 
 #include "chrome/browser/sync/test/integration/single_client_status_change_checker.h"
 
 #include "chrome/browser/sync/profile_sync_service.h"
-#include "chrome/browser/sync/profile_sync_service_observer.h"
+#include "chrome/browser/sync/test/integration/profile_sync_service_harness.h"
 
 SingleClientStatusChangeChecker::SingleClientStatusChangeChecker(
     ProfileSyncService* service) : service_(service) {}
 
 SingleClientStatusChangeChecker::~SingleClientStatusChangeChecker() {}
 
 void SingleClientStatusChangeChecker::InitObserver(
-    ProfileSyncServiceObserver* obs) {
+    ProfileSyncServiceHarness* obs) {
   service()->AddObserver(obs);
 }
 
 void SingleClientStatusChangeChecker::UninitObserver(
-    ProfileSyncServiceObserver* obs) {
+    ProfileSyncServiceHarness* obs) {
   service()->RemoveObserver(obs);
 }