Issue 11428116 had to be reverted as it broke build due to a unused variable.

chrome/common/extensions/permissions/api_permission.h

 // 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.
 
 #ifndef CHROME_COMMON_EXTENSIONS_PERMISSIONS_API_PERMISSION_H_
 #define CHROME_COMMON_EXTENSIONS_PERMISSIONS_API_PERMISSION_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 45 matching lines @@
     kClipboardRead,
     kClipboardWrite,
     kCloudPrintPrivate,
     kContentSettings,
     kContextMenus,
     kCookie,
     kDial,
     kDebugger,
     kDeclarative,
     kDeclarativeWebRequest,
+    kDeveloperPrivate,
     kDevtools,
     kDownloads,
     kEchoPrivate,
     kExperimental,
     kFileBrowserHandler,
     kFileBrowserHandlerInternal,
     kFileBrowserPrivate,
     kFileSystem,
     kFileSystemWrite,
     kFontSettings,
@@ skipping 209 matching lines @@
   const char* const name_;
   const int flags_;
   const int l10n_message_id_;
   const PermissionMessage::ID message_id_;
   const APIPermissionConstructor api_permission_constructor_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_PERMISSIONS_API_PERMISSION_H_