Well known MIME types were needed for FileSystem API, which was removed. Now, we use AllContentTypes everywhere.
Created attachment 231007 [details] proposed patch
Comment on attachment 231007 [details] proposed patch View in context: https://bugs.webkit.org/attachment.cgi?id=231007&action=review > Source/WebCore/fileapi/File.h:69 > + File(const String& path); Please make this explicit.
Committed <http://trac.webkit.org/r168430>.