[cros login] Split login related classes into subfolders.

chrome/browser/chromeos/login/users/avatar/default_user_images.h

Index: chrome/browser/chromeos/login/users/avatar/default_user_images.h
diff --git a/chrome/browser/chromeos/login/default_user_images.h b/chrome/browser/chromeos/login/users/avatar/default_user_images.h
similarity index 92%
rename from chrome/browser/chromeos/login/default_user_images.h
rename to chrome/browser/chromeos/login/users/avatar/default_user_images.h
index 9eec792daf96d507ddcbf12ac84521ee1cc2e9ed..213b9d6399ade02d4d2c925aaa363650080dd605 100644
--- a/chrome/browser/chromeos/login/default_user_images.h
+++ b/chrome/browser/chromeos/login/users/avatar/default_user_images.h
@@ -2,8 +2,8 @@
 // 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_DEFAULT_USER_IMAGES_H_
-#define CHROME_BROWSER_CHROMEOS_LOGIN_DEFAULT_USER_IMAGES_H_
+#ifndef CHROME_BROWSER_CHROMEOS_LOGIN_USERS_AVATAR_DEFAULT_USER_IMAGES_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_USERS_AVATAR_DEFAULT_USER_IMAGES_H_
 
 #include <cstddef>  // for size_t
 #include <string>
@@ -83,4 +83,4 @@ int GetDefaultImageHistogramValue(int index);
 
 }  // namespace chromeos
 
-#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_DEFAULT_USER_IMAGES_H_
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USERS_AVATAR_DEFAULT_USER_IMAGES_H_