permessage-deflate does not work with Chrome.

[yutakahirano]

Please see https://code.google.com/p/chromium/issues/detail?id=536627 for the minimized test case.

In "finish" functions in Receiver.js, incoming data is stored to a variable |data|, a.k.a. |packet|. The data may be modified after the function returns (I assume calling |endPacket| is the trigger but I'm not sure), but permessage-deflate module uses the data after that. As a result it sees modified data and that leads to deflate errors.

[yutakahirano]

This may be related to #585.

[nkzawa]

Thanks for your report! Will fix asap.