sync: remove GetAuthenticatedUsername from ProfileSyncService/SyncBackendHost.

chrome/browser/sync/internal_api/sync_manager.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 "chrome/browser/sync/internal_api/sync_manager.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/command_line.h"
@@ skipping 708 matching lines @@
   if (!data_->scheduler()) {
     LOG(INFO)
         << "SyncManager::StartConfigurationMode: could not start "
         << "configuration mode because because scheduler is null";
     return;
   }
   data_->scheduler()->Start(
       browser_sync::SyncScheduler::CONFIGURATION_MODE, callback);
 }
 
-const std::string& SyncManager::GetAuthenticatedUsername() {
-  DCHECK(data_);
-  return data_->username_for_share();
-}
-
 bool SyncManager::SyncInternal::Init(
     const FilePath& database_location,
     const WeakHandle<JsEventHandler>& event_handler,
     const std::string& sync_server_and_path,
     int port,
     bool use_ssl,
     HttpPostProviderFactory* post_factory,
     ModelSafeWorkerRegistrar* model_safe_worker_registrar,
     ChangeDelegate* change_delegate,
     const std::string& user_agent,
@@ skipping 1343 matching lines @@
     lookup->GetDownloadProgress(*i, &marker);
 
     if (marker.token().empty())
       result.insert(*i);
 
   }
   return result;
 }
 
 }  // namespace sync_api