Adds a test for http://codereview.chromium.org/10599002/

Adds a test for http://codereview.chromium.org/10599002/

This test ensures that when we hit the limit on the number of sent
DataReceived messages that receipt of a corresponding number of
DataReceived_ACK messages enables the resource load to complete.

BUG=133808
R=jam@chromium.org

[jam, 2012-06-21 16:23:58]

lgtm

[commit-bot: I haz the power, 2012-06-21 17:40:56]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/darin@chromium.org/10612002/1

[commit-bot: I haz the power, 2012-06-21 18:11:15]

Try job failure for 10612002-1 (retry) on linux_clang for step "compile"
(clobber build).
It's a second try, previously, step "compile" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_clan...

[commit-bot: I haz the power, 2012-06-21 19:01:37]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/darin@chromium.org/10612002/8004

[commit-bot: I haz the power, 2012-06-21 19:44:08]

Try job failure for 10612002-8004 on win_rel for step "update".
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win_rel&nu...

Step "update" is always a major failure.
Look at the try server FAQ for more details.