Even without --trace-gc dump the last few GC messages on OOM

Even without --trace-gc dump the last few GC messages on OOM

If we crash V8 due to out-of-memory then we print the last 3 GCs on
stdout as we crash. Also records the last 3 GCs on the stack so that
it will be part of the minidump.
R=hpayer@chromium.org
BUG=

Committed: https://crrev.com/af7e07358a41a5f3a0b81bd49bb60394a4d332ab
Cr-Commit-Position: refs/heads/master@{#28704}

[Hannes Payer (out of office), 2015-05-29 15:47:39]

Good idea! lgtm

[Erik Corry, 2015-05-29 15:53:42]

The CQ bit was checked by erik.corry@gmail.com

[commit-bot: I haz the power, 2015-05-29 15:54:01]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1159513003/1

[commit-bot: I haz the power, 2015-05-29 16:24:46]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-05-29 16:25:02]

Patchset 1 (id:??) landed as
https://crrev.com/af7e07358a41a5f3a0b81bd49bb60394a4d332ab
Cr-Commit-Position: refs/heads/master@{#28704}