Add account_id to signin manager notifications.

chrome/browser/sync_file_system/drive_backend/sync_engine.cc

 // 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.
 
 #include "chrome/browser/sync_file_system/drive_backend/sync_engine.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/metrics/histogram.h"
@@ skipping 684 matching lines @@
   }
 
 }
 
 void SyncEngine::GoogleSigninFailed(const GoogleServiceAuthError& error) {
   Reset();
   UpdateServiceState(REMOTE_SERVICE_AUTHENTICATION_REQUIRED,
                      "Failed to sign in.");
 }
 
-void SyncEngine::GoogleSigninSucceeded(const std::string& username,
+void SyncEngine::GoogleSigninSucceeded(const std::string& account_id,
+                                       const std::string& username,
                                        const std::string& password) {
   Initialize();
 }
 
-void SyncEngine::GoogleSignedOut(const std::string& username) {
+void SyncEngine::GoogleSignedOut(const std::string& account_id,
+                                 const std::string& username) {
   Reset();
   UpdateServiceState(REMOTE_SERVICE_AUTHENTICATION_REQUIRED,
                      "User signed out.");
 }
 
 SyncEngine::SyncEngine(
     const scoped_refptr<base::SingleThreadTaskRunner>& ui_task_runner,
     const scoped_refptr<base::SequencedTaskRunner>& worker_task_runner,
     const scoped_refptr<base::SequencedTaskRunner>& drive_task_runner,
     const base::FilePath& sync_file_system_dir,
@@ skipping 59 matching lines @@
 
 SyncStatusCallback SyncEngine::TrackCallback(
     const SyncStatusCallback& callback) {
   return callback_tracker_.Register(
       base::Bind(callback, SYNC_STATUS_ABORT),
       callback);
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system