Address races in UserImageManagerImpl

chrome/browser/chromeos/login/fake_user_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_FAKE_USER_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_FAKE_USER_MANAGER_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 47 matching lines @@
   virtual const UserList& GetLRULoggedInUsers() OVERRIDE;
   virtual UserList GetUnlockUsers() const OVERRIDE;
   virtual const std::string& GetOwnerEmail() OVERRIDE;
   virtual void SessionStarted() OVERRIDE {}
   virtual void RestoreActiveSessions() OVERRIDE {}
   virtual void RemoveUser(const std::string& email,
       RemoveUserDelegate* delegate) OVERRIDE {}
   virtual void RemoveUserFromList(const std::string& email) OVERRIDE {}
   virtual bool IsKnownUser(const std::string& email) const OVERRIDE;
   virtual const User* FindUser(const std::string& email) const OVERRIDE;
+  virtual User* FindUserAndModify(const std::string& email) OVERRIDE;
   virtual const User* GetLoggedInUser() const OVERRIDE;
   virtual User* GetLoggedInUser() OVERRIDE;
   virtual const User* GetPrimaryUser() const OVERRIDE;
   virtual User* GetUserByProfile(Profile* profile) const OVERRIDE;
   virtual void SaveUserOAuthStatus(
       const std::string& username,
       User::OAuthTokenStatus oauth_token_status) OVERRIDE {}
   virtual string16 GetUserDisplayName(
       const std::string& username) const OVERRIDE;
   virtual void SaveUserDisplayEmail(const std::string& username,
@@ skipping 59 matching lines @@
   // If set this is the active user. If empty, the first created user is the
   // active user.
   std::string active_user_id_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeUserManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_FAKE_USER_MANAGER_H_