Reland restrict extension features based on the extension type.

chrome/chrome_tests.gypi

 # Copyright (c) 2011 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.
 {
   'target_defaults': {
     'conditions': [
       ['strip_tests==1', {
         'cflags!': [ '-g' ],
         'ldflags': [ '-Wl,--strip-debug' ],
       }],
@@ skipping 1927 matching lines @@
         'common/extensions/extension_localization_peer_unittest.cc',
         'common/extensions/extension_manifests_unittest.cc',
         'common/extensions/extension_message_bundle_unittest.cc',
         'common/extensions/extension_permission_set_unittest.cc',
         'common/extensions/extension_resource_unittest.cc',
         'common/extensions/extension_set_unittest.cc',
         'common/extensions/extension_test_util.h',
         'common/extensions/extension_test_util.cc',
         'common/extensions/extension_unittest.cc',
         'common/extensions/extension_unpacker_unittest.cc',
+        'common/extensions/manifest_unittest.cc',
         'common/extensions/update_manifest_unittest.cc',
         'common/extensions/url_pattern_set_unittest.cc',
         'common/extensions/url_pattern_unittest.cc',
         'common/extensions/user_script_unittest.cc',
         'common/extensions/api/extension_api_unittest.cc',
         'common/guid_unittest.cc',
         'common/important_file_writer_unittest.cc',
         'common/json_pref_store_unittest.cc',
         'common/json_schema_validator_unittest.cc',
         'common/json_schema_validator_unittest_base.cc',
@@ skipping 2367 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }