Add the "file_handlers" manifest key for platform apps to replace "intents".

chrome/browser_tests.isolate

 # 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.
 {
   'variables': {
     'isolate_dependency_tracked': [
       '../net/tools/testserver/asn1.py',
       '../net/tools/testserver/echo_message.py',
       '../net/tools/testserver/minica.py',
       '../net/tools/testserver/testserver.py',
@@ skipping 729 matching lines @@
           'test/data/extensions/platform_apps/apps_only/',
           'test/data/extensions/platform_apps/context_menu/',
           'test/data/extensions/platform_apps/context_menu_click/',
           'test/data/extensions/platform_apps/geometry/',
           'test/data/extensions/platform_apps/get_display_path/',
           'test/data/extensions/platform_apps/isolation/',
           'test/data/extensions/platform_apps/launch/',
           'test/data/extensions/platform_apps/launch_file/',
           'test/data/extensions/platform_apps/launch_invalid/',
           'test/data/extensions/platform_apps/launch_reply/',
-          'test/data/extensions/platform_apps/launch_wrong_intent/',
           'test/data/extensions/platform_apps/launch_wrong_type/',
           'test/data/extensions/platform_apps/minimal/',
           'test/data/extensions/platform_apps/mutation_events/',
           'test/data/extensions/platform_apps/restart_test/',
           'test/data/extensions/platform_apps/restrictions/',
           'test/data/extensions/platform_apps/storage/',
           'test/data/extensions/platform_apps/web_view_isolation/',
           'test/data/extensions/platform_apps/windows_api/',
           'test/data/extensions/theme/',
           'test/data/extensions/theme2/',
@@ skipping 1161 matching lines @@
         'isolate_dependency_tracked': [
           '../third_party/tlslite/tlslite/integration/TLSTwistedProtocolWrapper.py',
         ],
         'isolate_dependency_untracked': [
           'test/data/extensions/api_test/bookmark_manager/standard/',
         ],
       },
     }],
   ],
 }