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

chrome/common/extensions/permissions/api_permission.cc

 // 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.
 
 #include "chrome/common/extensions/permissions/api_permission.h"
 
 #include "chrome/common/extensions/permissions/bluetooth_device_permission.h"
 #include "chrome/common/extensions/permissions/permissions_info.h"
 #include "chrome/common/extensions/permissions/socket_permission.h"
 #include "chrome/common/extensions/permissions/usb_device_permission.h"
@@ skipping 227 matching lines @@
     { APIPermission::kWebRequestBlocking, "webRequestBlocking" },
     { APIPermission::kWebView, "webview", kFlagCannotBeOptional },
 
     // Register private permissions.
     { APIPermission::kAutoTestPrivate, "autotestPrivate",
       kFlagCannotBeOptional },
     { APIPermission::kBookmarkManagerPrivate, "bookmarkManagerPrivate",
       kFlagCannotBeOptional },
     { APIPermission::kChromeosInfoPrivate, "chromeosInfoPrivate",
       kFlagCannotBeOptional },
+    { APIPermission::kDeveloperPrivate, "developerPrivate",
+      kFlagCannotBeOptional },
     { APIPermission::kDial, "dial", kFlagCannotBeOptional },
     { APIPermission::kFileBrowserHandlerInternal, "fileBrowserHandlerInternal",
       kFlagCannotBeOptional },
     { APIPermission::kFileBrowserPrivate, "fileBrowserPrivate",
       kFlagCannotBeOptional },
     { APIPermission::kManagedModePrivate, "managedModePrivate",
       kFlagCannotBeOptional },
     { APIPermission::kMediaPlayerPrivate, "mediaPlayerPrivate",
       kFlagCannotBeOptional },
     { APIPermission::kMetricsPrivate, "metricsPrivate",
@@ skipping 97 matching lines @@
         pr.flags,
         pr.constructor);
   }
 
   // Register aliases.
   info->RegisterAlias("unlimitedStorage", kOldUnlimitedStoragePermission);
   info->RegisterAlias("tabs", kWindowsPermission);
 }
 
 }  // namespace extensions