Address races in UserImageManagerImpl

chrome/browser/chromeos/login/fake_user_manager.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/chromeos/login/fake_user_manager.h"
 
 #include "chrome/browser/chromeos/login/fake_supervised_user_manager.h"
 
 namespace {
 
@@ skipping 133 matching lines @@
 }
 
 bool FakeUserManager::IsKnownUser(const std::string& email) const {
   return true;
 }
 
 const User* FakeUserManager::FindUser(const std::string& email) const {
   return NULL;
 }
 
+User* FakeUserManager::FindUserAndModify(const std::string& email) {
+  return NULL;
+}
+
 const User* FakeUserManager::GetLoggedInUser() const {
   return NULL;
 }
 
 User* FakeUserManager::GetLoggedInUser() {
   return NULL;
 }
 
 const User* FakeUserManager::GetPrimaryUser() const {
   return primary_user_;
@@ skipping 111 matching lines @@
 }
 
 bool FakeUserManager::RespectLocalePreference(
     Profile* profile,
     const User* user,
     scoped_ptr<locale_util::SwitchLanguageCallback> callback) const {
   return false;
 }
 
 }  // namespace chromeos