This CL replaces user_manager::UserID with AccountId.

chrome/browser/signin/easy_unlock_service_signin_chromeos.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/signin/easy_unlock_service_signin_chromeos.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/location.h"
@@ skipping 70 matching lines @@
 // Loads device data list associated with the user's Easy unlock keys.
 void LoadDataForUser(
     const std::string& user_id,
     uint32 backoff_ms,
     const chromeos::EasyUnlockKeyManager::GetDeviceDataListCallback& callback) {
   chromeos::EasyUnlockKeyManager* key_manager =
       chromeos::UserSessionManager::GetInstance()->GetEasyUnlockKeyManager();
   DCHECK(key_manager);
 
   key_manager->GetDeviceDataList(
-      chromeos::UserContext(user_id),
+      chromeos::UserContext(AccountId::FromUserEmail(user_id)),
       base::Bind(&RetryDataLoadOnError, user_id, backoff_ms, callback));
 }
 
 }  // namespace
 
 EasyUnlockServiceSignin::UserData::UserData()
     : state(EasyUnlockServiceSignin::USER_DATA_STATE_INITIAL) {
 }
 
 EasyUnlockServiceSignin::UserData::~UserData() {}
@@ skipping 353 matching lines @@
     return NULL;
 
   std::map<std::string, UserData*>::const_iterator it =
       user_data_.find(user_id_);
   if (it == user_data_.end())
     return NULL;
   if (it->second->state != USER_DATA_STATE_LOADED)
     return NULL;
   return it->second;
 }