[cros, user_manager] Move default user images constants and helper functions out of src/chrome.

chrome/browser/chromeos/login/users/user.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_USERS_USER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_USERS_USER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
 #include "components/user_manager/user_image/user_image.h"
 #include "components/user_manager/user_info.h"
 #include "components/user_manager/user_type.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/image/image_skia.h"
 
 namespace chromeos {
 
-extern const int kDefaultImagesCount;
-
 // A class representing information about a previously logged in user.
 // Each user has a canonical email (username), returned by |email()| and
 // may have a different displayed email (in the raw form as entered by user),
 // returned by |displayed_email()|.
 // Displayed emails are for use in UI only, anywhere else users must be referred
 // to by |email()|.
 class User : public user_manager::UserInfo {
  public:
   // User OAuth token status according to the last check.
   // Please note that enum values 1 and 2 were used for OAuth1 status and are
@@ skipping 227 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(User);
 };
 
 // List of known users.
 typedef std::vector<User*> UserList;
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USERS_USER_H_