Show a notification when an ephemeral app consumes excessive disk space

chrome/chrome_tests.gypi

 # Copyright 2013 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' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 1222 matching lines @@
         'browser/extensions/extension_icon_source_apitest.cc',
         'browser/extensions/extension_incognito_apitest.cc',
         'browser/extensions/extension_install_ui_browsertest.cc',
         'browser/extensions/extension_javascript_url_apitest.cc',
         'browser/extensions/extension_loading_browsertest.cc',
         'browser/extensions/extension_messages_apitest.cc',
         'browser/extensions/extension_override_apitest.cc',
         'browser/extensions/extension_resource_request_policy_apitest.cc',
         'browser/extensions/extension_startup_browsertest.cc',
         'browser/extensions/extension_storage_apitest.cc',
+        'browser/extensions/extension_storage_monitor_browsertest.cc',
         'browser/extensions/extension_tabs_apitest.cc',
         'browser/extensions/extension_toolbar_model_browsertest.cc',
         'browser/extensions/extension_url_rewrite_browsertest.cc',
         'browser/extensions/extension_view_host_factory_browsertest.cc',
         'browser/extensions/extension_websocket_apitest.cc',
         'browser/extensions/gpu_browsertest.cc',
         'browser/extensions/isolated_app_browsertest.cc',
         'browser/extensions/lazy_background_page_apitest.cc',
         'browser/extensions/lazy_background_page_test_util.h',
         'browser/extensions/mutation_observers_apitest.cc',
@@ skipping 1995 matching lines @@
             ['enable_webrtc==1', {
               'dependencies': [
                 '../third_party/libjingle/libjingle.gyp:libjingle_webrtc'
               ]
             }],
           ],
         }]
     }],
   ],  # 'conditions'
 }