Removing support for document.createEvent("ProgressEvent")

third_party/WebKit/Source/build/scripts/make_event_factory.py

 #!/usr/bin/env python
 # Copyright (C) 2013 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:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 68 matching lines @@
             or name == 'DragEvent'
             or name == 'ErrorEvent'
             or name == 'FocusEvent'
             or name == 'HashChangeEvent'
             or name == 'IDBVersionChangeEvent'
             or name == 'KeyboardEvents'
             or name == 'MutationEvent'
             or name == 'MutationEvents'
             or name == 'PageTransitionEvent'
             or name == 'PopStateEvent'
-            or name == 'ProgressEvent'

[foolip, 2017/04/06 09:10:16]

Also remove DocumentCreateEventProgressEvent from UseCounter.h.

[nikhil.sahni, 2017/04/06 10:26:26]

Done.

             or name == 'StorageEvent'
             or name == 'SVGEvents'
             or name == 'TextEvent'
             or name == 'TrackEvent'
             or name == 'TransitionEvent'
             or name == 'WebGLContextEvent'
             or name == 'WebKitAnimationEvent'
             or name == 'WebKitTransitionEvent'
             or name == 'WheelEvent')
 
@@ skipping 77 matching lines @@
     def generate_implementation(self):
         return {
             'namespace': self.namespace,
             'suffix': self.suffix,
             'events': self.json5_file.name_dictionaries,
         }
 
 
 if __name__ == "__main__":
     json5_generator.Maker(EventFactoryWriter).main()