Move permission warning message handling from PermissionSet to PermissionMessageProvider.

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.
 
 {
   'targets': [
     {
       'target_name': 'extensions_common',
       'type': 'static_library',
       'dependencies': [
@@ skipping 52 matching lines @@
         'common/matcher/url_matcher_helpers.cc',
         'common/matcher/url_matcher_helpers.h',
         'common/one_shot_event.cc',
         'common/one_shot_event.h',
         'common/permissions/api_permission.cc',
         'common/permissions/api_permission.h',
         'common/permissions/api_permission_set.cc',
         'common/permissions/api_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/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 29 matching lines @@
         'browser/pref_names.cc',
         'browser/pref_names.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, ],
     },
   ]
 }