Move Extension and PermissionsData to extensions/common.

extensions/extensions.gyp

 # 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': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 18 matching lines @@
         'common/draggable_region.cc',
         'common/draggable_region.h',
         'common/error_utils.cc',
         'common/error_utils.h',
         'common/event_filter.cc',
         'common/event_filter.h',
         'common/event_filtering_info.cc',
         'common/event_filtering_info.h',
         'common/event_matcher.cc',
         'common/event_matcher.h',
+        'common/extension.cc',
+        'common/extension.h',
         'common/extension_api.cc',
         'common/extension_api.h',
         'common/extension_api_stub.cc',
         'common/extension_paths.cc',
         'common/extension_paths.h',
         'common/extension_resource.cc',
         'common/extension_resource.h',
         'common/extension_urls.cc',
         'common/extension_urls.h',
         'common/extensions_client.cc',
@@ skipping 44 matching lines @@
         'common/permissions/manifest_permission.cc',
         'common/permissions/manifest_permission.h',
         'common/permissions/manifest_permission_set.cc',
         'common/permissions/manifest_permission_set.h',
         'common/permissions/permission_message.cc',
         'common/permissions/permission_message.h',
         'common/permissions/permission_message_provider.cc',
         'common/permissions/permission_message_provider.h',
         'common/permissions/permission_set.cc',
         'common/permissions/permission_set.h',
+        'common/permissions/permissions_data.cc',
+        'common/permissions/permissions_data.h',
         'common/permissions/permissions_info.cc',
         'common/permissions/permissions_info.h',
         'common/permissions/permissions_provider.h',
         'common/stack_frame.cc',
         'common/stack_frame.h',
         'common/switches.cc',
         'common/switches.h',
         'common/url_pattern.cc',
         'common/url_pattern.h',
         'common/url_pattern_set.cc',
@@ skipping 63 matching lines @@
         'browser/quota_service.cc',
         'browser/quota_service.h',
         'browser/view_type_utils.cc',
         'browser/view_type_utils.h',
       ],
       # Disable c4267 warnings until we fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
   ]
 }