Install warning message code for extensions that use chrome.mdns API.

chrome/common/extensions/permissions/chrome_permission_message_rules.cc

 // Copyright 2014 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.
 
 #include "chrome/common/extensions/permissions/chrome_permission_message_rules.h"
 
 #include "base/stl_util.h"
 #include "base/strings/string_util.h"
 #include "chrome/grit/generated_resources.h"
 #include "extensions/common/permissions/api_permission_set.h"
@@ skipping 436 matching lines @@
       {IDS_EXTENSION_PROMPT_WARNING_HISTORY_WRITE,
        {APIPermission::kHistory},
        {}},
       {IDS_EXTENSION_PROMPT_WARNING_INPUT, {APIPermission::kInput}, {}},
       {IDS_EXTENSION_PROMPT_WARNING_GEOLOCATION,
        {APIPermission::kLocation},
        {}},
       {IDS_EXTENSION_PROMPT_WARNING_MANAGEMENT,
        {APIPermission::kManagement},
        {}},
+      {IDS_EXTENSION_PROMPT_WARNING_MDNS,
+       {APIPermission::kMDns},
+       {}},
       {IDS_EXTENSION_PROMPT_WARNING_NATIVE_MESSAGING,
        {APIPermission::kNativeMessaging},
        {}},
       {IDS_EXTENSION_PROMPT_WARNING_PRIVACY, {APIPermission::kPrivacy}, {}},
       {IDS_EXTENSION_PROMPT_WARNING_HISTORY_READ,
        {APIPermission::kProcesses},
        {}},
       {IDS_EXTENSION_PROMPT_WARNING_SIGNED_IN_DEVICES,
        {APIPermission::kSignedInDevices},
        {}},
@@ skipping 190 matching lines @@
   insert(permission_four);
   insert(permission_five);
   insert(permission_six);
 }
 
 ChromePermissionMessageRule::PermissionIDSetInitializer::
     ~PermissionIDSetInitializer() {
 }
 
 }  // namespace extensions