Update the XMLHttpRequestProgressEvent deprecation messages for M50 removal

third_party/WebKit/Source/core/frame/UseCounter.cpp

 /*
  * Copyright (C) 2012 Google, Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 819 matching lines @@
     case PrefixedCancelRequestAnimationFrame:
         return "'webkitCancelRequestAnimationFrame' is vendor-specific. Please use the standard 'cancelAnimationFrame' instead.";
 
     case SyncXHRWithCredentials:
         return "Setting 'XMLHttpRequest.withCredentials' for synchronous requests is deprecated.";
 
     case PictureSourceSrc:
         return "<source src> with a <picture> parent is invalid and therefore ignored. Please use <source srcset> instead.";
 
     case XHRProgressEventPosition:
-        return replacedBy("The XMLHttpRequest progress event property 'position'", "'loaded'");
+        return replacedWillBeRemoved("The XMLHttpRequest progress event property 'position'", "'loaded'", 50, "5044837464145920");
 
     case XHRProgressEventTotalSize:
-        return replacedBy("The XMLHttpRequest progress event property 'totalSize'", "'total'");
+        return replacedWillBeRemoved("The XMLHttpRequest progress event property 'totalSize'", "'total'", 50, "5044837464145920");
 
     case ConsoleTimeline:
         return replacedBy("'console.timeline'", "'console.time'");
 
     case ConsoleTimelineEnd:
         return replacedBy("'console.timelineEnd'", "'console.timeEnd'");
 
     case XMLHttpRequestSynchronousInNonWorkerOutsideBeforeUnload:
         return "Synchronous XMLHttpRequest on the main thread is deprecated because of its detrimental effects to the end user's experience. For more help, check https://xhr.spec.whatwg.org/.";
 
@@ skipping 146 matching lines @@
 UseCounter* UseCounter::getFrom(const StyleSheetContents* sheetContents)
 {
     // FIXME: We may want to handle stylesheets that have multiple owners
     //        https://crbug.com/242125
     if (sheetContents && sheetContents->hasSingleOwnerNode())
         return getFrom(sheetContents->singleOwnerDocument());
     return 0;
 }
 
 } // namespace blink