Revert of QUIC - Call base::debug::DumpWithoutCrashing instead of crashing in

Revert of QUIC - Call base::debug::DumpWithoutCrashing instead of crashing in (patchset #1 id:1 of https://codereview.chromium.org/1281303002/ )

Reason for revert:
BUG=520301
Original issue's description:
> QUIC - Call base::debug::DumpWithoutCrashing instead of crashing in
> QuicSentPacketManager::MaybeRetransmitTailLossProbe.
>
> BUG=517726
> R=rch@chromium.org
>
> Committed: https://crrev.com/22f7d9ae62bb4867579032e3cae46dbb5720a8ff
> Cr-Commit-Position: refs/heads/master@{#342694}

TBR=rch@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=517726
Committed: https://crrev.com/efd0781a90231e61889c810e1b5aff367d87094b
Cr-Commit-Position: refs/heads/master@{#343227}

[ramant (doing other things), 2015-08-13 17:42:52]

Created Revert of QUIC - Call base::debug::DumpWithoutCrashing instead of
crashing in

[commit-bot: I haz the power, 2015-08-13 17:43:32]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1287363002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1287363002/1

[commit-bot: I haz the power, 2015-08-13 17:44:16]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-08-13 17:44:55]

Patchset 1 (id:??) landed as
https://crrev.com/efd0781a90231e61889c810e1b5aff367d87094b
Cr-Commit-Position: refs/heads/master@{#343227}