[Bug 25081] Make read operation really async

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

--- Comment #24 from Anne <annevk@annevk.nl> ---
img.src = bloburl is one of the reasons why you want to separate checking flags
and cloning from reading.

When you do img.src = bloburl you get a clone of the blob (through parsing the
URL, presumably parsing has to check the closed too), but reading from that
blob happens during fetch.

This is why I think reading should just describe the reading process and the
parts that can fail. You could have "asserts" in the form of notes there that
say it is assumed that the blob being closed is checked or is made impossible
(by cloning).

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Received on Wednesday, 23 April 2014 11:59:44 UTC