Speculative revert by sheriff

content/browser/notifications/notification_database_data.proto

 // Copyright 2015 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.
 
 syntax = "proto2";
 
 option optimize_for = LITE_RUNTIME;
 
 package content;
 
@@ skipping 17 matching lines @@
       RIGHT_TO_LEFT = 1;
     }
 
     optional string title = 1;
     optional Direction direction = 2;
     optional string lang = 3;
     optional string body = 4;
     optional string tag = 5;
     optional string icon = 6;
     optional bool silent = 7;
-    optional bytes data = 8;
   }
 
   optional NotificationData notification_data = 4;
 }