If chrome starts without a network connection, the sync serverconnectionmanag...

chrome/browser/sync/engine/syncapi.cc

 // Copyright (c) 2006-2009 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/engine/syncapi.h"
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
@@ skipping 1136 matching lines @@
   {
     syncable::ScopedDirLookup lookup(dir_manager(), username_for_share());
     if (!lookup.good()) {
       DCHECK(false) << "ScopedDirLookup failed on successfully opened dir";
       return;
     }
     if (lookup->initial_sync_ended())
       MarkAndNotifyInitializationComplete();
   }
 
+  // Load the last-known good auth token into the connection manager and send
+  // it off to the AuthWatcher for validation.  The result of the validation
+  // will update the connection manager if necessary.
+  connection_manager()->set_auth_token(auth_token);
   auth_watcher()->AuthenticateWithToken(username, auth_token);
 }
 
 void SyncManager::SyncInternal::RaiseAuthNeededEvent() {
   auth_problem_ = AUTH_PROBLEM_INVALID_GAIA_CREDENTIALS;
   if (observer_)
     observer_->OnAuthProblem(auth_problem_);
 }
 
 SyncManager::~SyncManager() {
@@ skipping 396 matching lines @@
 BaseTransaction::~BaseTransaction() {
   delete lookup_;
 }
 
 UserShare* SyncManager::GetUserShare() const {
   DCHECK(data_->initialized()) << "GetUserShare requires initialization!";
   return data_->GetUserShare();
 }
 
 }  // namespace sync_api