sync: remove GetAuthenticatedUsername from ProfileSyncService/SyncBackendHost.

chrome/browser/sync/glue/sync_backend_host.cc

 // Copyright (c) 2011 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 "build/build_config.h"
 
 #include "chrome/browser/sync/glue/sync_backend_host.h"
 
 #include <algorithm>
 #include <map>
@@ skipping 325 matching lines @@
 }
 
 const GoogleServiceAuthError& SyncBackendHost::GetAuthError() const {
   return last_auth_error_;
 }
 
 const SyncSessionSnapshot* SyncBackendHost::GetLastSessionSnapshot() const {
   return last_snapshot_.get();
 }
 
-string16 SyncBackendHost::GetAuthenticatedUsername() const {
-  DCHECK(initialized());
-  return UTF8ToUTF16(core_->sync_manager()->GetAuthenticatedUsername());
-}
-
 bool SyncBackendHost::HasUnsyncedItems() const {
   DCHECK(initialized());
   return core_->sync_manager()->HasUnsyncedItems();
 }
 
 bool SyncBackendHost::IsNigoriEnabled() const {
   return registrar_.get() && registrar_->IsNigoriEnabled();
 }
 
 bool SyncBackendHost::IsUsingExplicitPassphrase() {
@@ skipping 703 matching lines @@
       FROM_HERE,
       base::Bind(&SyncBackendHost::Core::DoRefreshEncryption,
                  core_.get(), sync_thread_done_callback));
 }
 
 #undef SVLOG
 
 #undef SLOG
 
 }  // namespace browser_sync