Set valid profile image when logging in as demo user

chrome/browser/chromeos/login/user_manager.h

 // Copyright (c) 2012 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_USER_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_USER_MANAGER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 54 matching lines @@
   // Indicates that a user with the given email has just logged in. The
   // persistent list is updated accordingly if the user is not ephemeral.
   virtual void UserLoggedIn(const std::string& email) = 0;
 
   // Indicates that user just logged on as the demo user.
   virtual void DemoUserLoggedIn() = 0;
 
   // Indicates that user just started incognito session.
   virtual void GuestUserLoggedIn() = 0;
 
+  // Indicates that a user just logged in as ephemeral.
+  virtual void EphemeralUserLoggedIn(const std::string& email) = 0;
+
   // Removes the user from the device. Note, it will verify that the given user
   // isn't the owner, so calling this method for the owner will take no effect.
   // Note, |delegate| can be NULL.
   virtual void RemoveUser(const std::string& email,
                           RemoveUserDelegate* delegate) = 0;
 
   // Removes the user from the persistent list only. Also removes the user's
   // picture.
   virtual void RemoveUserFromList(const std::string& email) = 0;
 
@@ skipping 81 matching lines @@
   virtual void NotifyLocalStateChanged() = 0;
 
   // Returns the result of the last successful profile image download, if any.
   // Otherwise, returns an empty bitmap.
   virtual const SkBitmap& DownloadedProfileImage() const = 0;
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USER_MANAGER_H_