Print and save JS stacktrace on OOM crash.

Print and save JS stacktrace on OOM crash.

BUG=

Committed: https://crrev.com/25981994b781624518540e9fc28c09a40d635245
Cr-Commit-Position: refs/heads/master@{#28818}

[ulan, 2015-06-05 15:56:35]

ulan@chromium.org changed reviewers:
+ jochen@chromium.org

[ulan, 2015-06-05 15:57:02]

PTAL. This helps with postmortem debugging of OOM.

[jochen (gone - plz use gerrit), 2015-06-05 16:03:43]

lgtm with nits

https://codereview.chromium.org/1149623010/diff/1/src/string-stream.h
File src/string-stream.h (right):

https://codereview.chromium.org/1149623010/diff/1/src/string-stream.h#newcode42
src/string-stream.h:42: ~FixedStringAllocator() {}
override

https://codereview.chromium.org/1149623010/diff/1/src/string-stream.h#newcode49
src/string-stream.h:49: };
disallow copy/assign

https://codereview.chromium.org/1149623010/diff/1/src/string-stream.h#newcode95
src/string-stream.h:95: explicit StringStream(StringAllocator* allocator,
no explicit

[ulan, 2015-06-05 16:17:39]

Thank, addressed comments. Landing.

[ulan, 2015-06-05 16:17:44]

The CQ bit was checked by ulan@chromium.org

[ulan, 2015-06-05 16:17:45]

The patchset sent to the CQ was uploaded after l-g-t-m from jochen@chromium.org
Link to the patchset: https://codereview.chromium.org/1149623010/#ps20001
(title: "Address comments")

[commit-bot: I haz the power, 2015-06-05 16:18:02]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1149623010/20001

[commit-bot: I haz the power, 2015-06-05 17:15:57]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-06-05 17:16:15]

Patchset 2 (id:??) landed as
https://crrev.com/25981994b781624518540e9fc28c09a40d635245
Cr-Commit-Position: refs/heads/master@{#28818}