[cros login] Split login related classes into subfolders.

chrome/browser/chromeos/login/mock_user_image_manager.cc

Index: chrome/browser/chromeos/login/mock_user_image_manager.cc
diff --git a/chrome/browser/chromeos/login/mock_user_image_manager.cc b/chrome/browser/chromeos/login/mock_user_image_manager.cc
deleted file mode 100644
index 9aadb5afc673d00eb1a6b3967cdfb38b1790a6ba..0000000000000000000000000000000000000000
--- a/chrome/browser/chromeos/login/mock_user_image_manager.cc
+++ /dev/null
@@ -1,14 +0,0 @@
-// 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.
-
-#include "chrome/browser/chromeos/login/mock_user_image_manager.h"
-
-namespace chromeos {
-
-MockUserImageManager::MockUserImageManager(const std::string& user_id)
-    : UserImageManager(user_id) {}
-
-MockUserImageManager::~MockUserImageManager() {}
-
-}  // namespace chromeos