[LayoutTests] mark fast/js/regexp-caching.html as NeedsManualRebaseline

[LayoutTests] mark fast/js/regexp-caching.html as NeedsManualRebaseline

BUG=552574, v8:3870
LOG=N
R=yangguo@chromium.org, ojan@chromium.org

Committed: https://crrev.com/c49d0932397f08543b89e5b3dc7d537339ed8173
Cr-Commit-Position: refs/heads/master@{#358471}

[caitp (gmail), 2015-11-06 22:48:44]

PTAL --- I haven't been able to get the V8 CL to run the entire layout tests
suite, I still get a 403 with `git cl try` for that :( But grepping and testing
fast/js/* make it look like this is the only breakage.

[ojan, 2015-11-06 23:11:13]

The CQ bit was checked by ojan@chromium.org

[ojan, 2015-11-06 23:11:14]

lgtm

[commit-bot: I haz the power, 2015-11-06 23:11:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1428393003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1428393003/1

[commit-bot: I haz the power, 2015-11-07 00:45:02]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-11-07 00:46:00]

Patchset 1 (id:??) landed as
https://crrev.com/c49d0932397f08543b89e5b3dc7d537339ed8173
Cr-Commit-Position: refs/heads/master@{#358471}