[protector] Added SessionStartupChange for representing changes in SessionStartupPref.

chrome/chrome_browser.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 1787 matching lines @@
         'browser/protector/default_search_provider_change.cc',
         'browser/protector/histograms.cc',
         'browser/protector/histograms.h',
         'browser/protector/internal/keys_internal.cc',
         'browser/protector/keys.cc',
         'browser/protector/keys.h',
         'browser/protector/protector_service.cc',
         'browser/protector/protector_service.h',
         'browser/protector/protector_service_factory.cc',
         'browser/protector/protector_service_factory.h',
+        'browser/protector/session_startup_change.cc',
         'browser/protector/settings_change_global_error.cc',
         'browser/protector/settings_change_global_error.h',
         'browser/protector/settings_change_global_error_delegate.h',
         'browser/remove_rows_table_model.h',
         'browser/renderer_host/chrome_render_message_filter.cc',
         'browser/renderer_host/chrome_render_message_filter.h',
         'browser/renderer_host/chrome_render_view_host_observer.cc',
         'browser/renderer_host/chrome_render_view_host_observer.h',
         'browser/renderer_host/chrome_render_widget_host_view_mac_delegate.h',
         'browser/renderer_host/chrome_render_widget_host_view_mac_delegate.mm',
@@ skipping 3499 matching lines @@
          'variables': {
           'proto_in_dir': '../third_party/cros_system_api/dbus/',
           'proto_out_dir': 'chrome/browser/chromeos/dbus',
          },
          'includes': ['../build/protoc.gypi'],
         }],
       ],
     },
   ],
 }