[Sync] SyncEngine refactor part 1: interfaces.

chrome/browser/sync/sync_error_notifier_ash_unittest.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/sync_error_notifier_ash.h"
 
 #include <stddef.h>
 
 #include <memory>
 
@@ skipping 174 matching lines @@
 #define MAYBE_PassphraseNotification PassphraseNotification
 #endif
 TEST_F(SyncErrorNotifierTest, MAYBE_PassphraseNotification) {
 #if defined(OS_CHROMEOS)
   chromeos::ScopedUserManagerEnabler scoped_enabler(
       new chromeos::MockUserManager());
 #endif
   ASSERT_FALSE(notification_ui_manager_->FindById(
       kNotificationId, NotificationUIManager::GetProfileID(profile_)));
 
-  syncer::SyncBackendHost::Status status;
+  syncer::SyncEngine::Status status;
   EXPECT_CALL(*service_, QueryDetailedSyncStatus(_))
               .WillRepeatedly(Return(false));
 
   EXPECT_CALL(*service_, IsPassphraseRequired())
               .WillRepeatedly(Return(true));
   EXPECT_CALL(*service_, IsPassphraseRequiredForDecryption())
               .WillRepeatedly(Return(true));
   {
     SCOPED_TRACE("Expected a notification for passphrase error");
     VerifySyncErrorNotifierResult(GoogleServiceAuthError::NONE,
@@ skipping 22 matching lines @@
     SCOPED_TRACE("Not expecting notification since sync setup is incomplete");
     VerifySyncErrorNotifierResult(
         GoogleServiceAuthError::INVALID_GAIA_CREDENTIALS,
         false /* not signed in */,
         false /* no error */);
   }
 }
 
 }  // namespace test
 }  // namespace ash