Add "kiosk_only" manifest attribute for platform apps.

apps/DEPS

 include_rules = [
   "+base",
   "+content",
   "+components/browser_context_keyed_service",
   "+components/user_prefs/pref_registry_syncable.h",
   "+components/web_modal",
   "+extensions",
   "+net/base",
   "+skia/ext",
   "+third_party/skia/include",
   "+ui",
   "+win8",
   # Temporary allowed includes.
   # TODO(benwells): remove these (http://crbug.com/159366)
   "+chrome/browser/browser_process.h",
   "+chrome/browser/chrome_notification_types.h",
   "+chrome/browser/chromeos/drive",
+  "+chrome/browser/chromeos/login/user_manager.h",
   "+chrome/browser/lifetime/application_lifetime.h",
   "+chrome/browser/profiles",
   "+chrome/browser/sessions/session_id.h",
   "+chrome/browser/ui/apps/app_metro_infobar_delegate_win.h",
   "+chrome/browser/ui/host_desktop.h",
   "+chrome/common/chrome_switches.h",
   # Pieces of the extensions system that need to move to src/extensions.
   # See http://crbug.com/162530 for details.
   "+chrome/browser/extensions/api/app_runtime/app_runtime_api.h",
   "+chrome/browser/extensions/api/file_handlers/app_file_handler_util.h",
@@ skipping 12 matching lines @@
   "+chrome/browser/extensions/lazy_background_task_queue.h",
   "+chrome/browser/extensions/suggest_permission_util.h",
   "+chrome/browser/extensions/unpacked_installer.h",
   "+chrome/common/extensions/api/app_runtime.h",
   "+chrome/common/extensions/api/app_window.h",
   "+chrome/common/extensions/extension.h",
   "+chrome/common/extensions/extension_constants.h",
   "+chrome/common/extensions/extension_messages.h",
   "+chrome/common/extensions/extension_set.h",
   "+chrome/common/extensions/manifest_handlers/icons_handler.h",
+  "+chrome/common/extensions/manifest_handlers/kiosk_mode_info.h",
   "+chrome/common/extensions/permissions/api_permission.h",
   "+chrome/common/extensions/permissions/permission_set.h",
 ]
 
 specific_include_rules = {
   "(.*test\.cc|.*test_mac\.mm)": [
     "+chrome/browser/browser_shutdown.h",
     "+chrome/browser/extensions/extension_browsertest.h",
     "+chrome/browser/extensions/extension_test_message_listener.h",
     "+chrome/browser/extensions/test_extension_environment.h",
     "+chrome/browser/extensions/test_extension_prefs.h",
     "+chrome/test/base/interactive_test_utils.h",
     "+chrome/test/base/testing_profile.h",
     # Temporary allowed testing include.
     # TODO(benwells): Move app_browsertest_util into apps component once there
     # is an apps shell to test with.
     "+chrome/browser/apps/app_browsertest_util.h",
   ]
 }