[date] Use explicit control flow to replace %_ThrowIfNotADate.

[date] Use explicit control flow to replace %_ThrowIfNotADate.

R=jarin@chromium.org

Committed: https://crrev.com/f2ac85201509f5bf977d065c2b8465e34b69bf5e
Cr-Commit-Position: refs/heads/master@{#29211}

[Benedikt Meurer, 2015-06-23 05:41:47]

Hey Jaro,

Remove the macro intrinsic %_ThrowIfNotADate and use simple building blocks
instead. Please take a look.

Thanks,
Benedikt

[Jarin, 2015-06-23 06:41:17]

lgtm

[Benedikt Meurer, 2015-06-23 06:41:29]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2015-06-23 06:41:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1191283003/1

[commit-bot: I haz the power, 2015-06-23 06:43:41]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-23 06:43:54]

Patchset 1 (id:??) landed as
https://crrev.com/f2ac85201509f5bf977d065c2b8465e34b69bf5e
Cr-Commit-Position: refs/heads/master@{#29211}