Improve accessibility of user image selection screen.

chrome/browser/chromeos/login/default_user_images.h

Index: chrome/browser/chromeos/login/default_user_images.h
diff --git a/chrome/browser/chromeos/login/default_user_images.h b/chrome/browser/chromeos/login/default_user_images.h
index 1e618045eeefb0088be89a89f6689162958bef10..2415d9df36fd730ea4e7db3fc58de935326a6ed3 100644
--- a/chrome/browser/chromeos/login/default_user_images.h
+++ b/chrome/browser/chromeos/login/default_user_images.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -34,6 +34,9 @@ bool IsDefaultImageUrl(const std::string url, int* image_id);
 // Returns bitmap of default user image with specified index.
 const gfx::ImageSkia& GetDefaultImage(int index);
 
+// Returns a description of a default user image with specified index.
+std::string GetDefaultImageDescription(int index);
+
 // Resource IDs of default user images.
 extern const int kDefaultImageResources[];