[Bug 25081] Make read operation really async

https://www.w3.org/Bugs/Public/show_bug.cgi?id=25081

--- Comment #26 from Anne <annevk@annevk.nl> ---
The reason you want to separate the URL parser and fetch is because of things
like <img srcset>. There can be multiple URLs that you want to parse
synchronously, but not necessarily all fetch at the same time (or indeed not
necessarily at any point in the future).

I would expect reading from a blob to also have other failure conditions that
might need to be enumerated. E.g. if if it was a blob backing a file that was
moved by the user. That's why I thought it would be a longer algorithm.

As for the closed flag, I suppose I need to add a check for that here
http://url.spec.whatwg.org/#concept-url-parser and not set a url's object if
the blob is closed?

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Received on Wednesday, 23 April 2014 18:30:52 UTC