Loosen the parsing of CDB output in windows; it can start with at least 'ChildEBP' or 'Child-SP', a…

Loosen the parsing of CDB output in windows; it can start with at least 'ChildEBP' or 'Child-SP', and the extra output probably isn't much if those are not found.

BUG=433966
Committed: https://crrev.com/b16a27610d6bf2c45e6b9dc30d7025497f418e44
Cr-Commit-Position: refs/heads/master@{#315069}

[sullivan, 2015-02-06 16:05:10]

sullivan@chromium.org changed reviewers:
+ simonhatch@chromium.org

[sullivan, 2015-02-06 16:05:11]

Chris took a look at the CDB output from that minidump, and our current code
doesn't parse it correctly.

[shatch, 2015-02-06 16:22:14]

On 2015/02/06 16:05:11, sullivan wrote:
> Chris took a look at the CDB output from that minidump, and our current code
> doesn't parse it correctly.

Sweet, non-owner lgtm

[sullivan, 2015-02-06 16:26:35]

The CQ bit was checked by sullivan@chromium.org

[commit-bot: I haz the power, 2015-02-06 16:27:03]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/904063002/1

[commit-bot: I haz the power, 2015-02-06 18:16:33]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-06 18:17:05]

Patchset 1 (id:??) landed as
https://crrev.com/b16a27610d6bf2c45e6b9dc30d7025497f418e44
Cr-Commit-Position: refs/heads/master@{#315069}