Add storage manager overlay on Settings.

chrome/chrome_browser_ui.gypi

 # Copyright 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.
 
 {
   'variables': {
     # There are two sections of sources:
     # * "Platform"-based sources (OS, toolkit, etc.)
     # * Feature/directory-based sources (e.g., history, printing)
 
@@ skipping 1908 matching lines @@
       'browser/ui/webui/options/chromeos/keyboard_handler.cc',
       'browser/ui/webui/options/chromeos/keyboard_handler.h',
       'browser/ui/webui/options/chromeos/pointer_handler.cc',
       'browser/ui/webui/options/chromeos/pointer_handler.h',
       'browser/ui/webui/options/chromeos/power_handler.cc',
       'browser/ui/webui/options/chromeos/power_handler.h',
       'browser/ui/webui/options/chromeos/proxy_handler.cc',
       'browser/ui/webui/options/chromeos/proxy_handler.h',
       'browser/ui/webui/options/chromeos/stats_options_handler.cc',
       'browser/ui/webui/options/chromeos/stats_options_handler.h',
+      'browser/ui/webui/options/chromeos/storage_manager_handler.cc',
+      'browser/ui/webui/options/chromeos/storage_manager_handler.h',
       'browser/ui/webui/options/chromeos/user_image_source.cc',
       'browser/ui/webui/options/chromeos/user_image_source.h',
       'browser/ui/webui/options/clear_browser_data_handler.cc',
       'browser/ui/webui/options/clear_browser_data_handler.h',
       'browser/ui/webui/options/content_settings_handler.cc',
       'browser/ui/webui/options/content_settings_handler.h',
       'browser/ui/webui/options/cookies_view_handler.cc',
       'browser/ui/webui/options/cookies_view_handler.h',
       'browser/ui/webui/options/core_options_handler.cc',
       'browser/ui/webui/options/core_options_handler.h',
@@ skipping 1384 matching lines @@
           ],
           'sources': [
             '<@(chrome_browser_ui_non_mobile_sources)',
             '<@(chrome_browser_ui_omnibox_non_mobile_sources)',
           ],
         }],
       ],
     },
   ],
 }