Move bounds and width function sanity checks to computation function

Move bounds and width function sanity checks to computation function

They don't need to be on the inlined hot code path. This is an amendment
to https://codereview.chromium.org/1980913002 which moved them from the
computation function to the cache lookup function.

BUG=610313
R=kojii,eae,behdad

Committed: https://crrev.com/0045a6a845ff4e21dcfe718dd26e2e29ce867622
Cr-Commit-Position: refs/heads/master@{#408167}

[drott, 2016-07-27 15:19:12]

The CQ bit was checked by drott@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-07-27 15:19:35]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-07-27 16:41:21]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-07-27 16:41:22]

Dry run: This issue passed the CQ dry run.

[eae, 2016-07-27 17:21:03]

OK, LGTM

[eae, 2016-07-27 17:21:09]

The CQ bit was checked by eae@chromium.org

[commit-bot: I haz the power, 2016-07-27 17:21:36]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-07-27 17:25:14]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-27 17:28:34]

Description was changed from

==========
Move bounds and width function sanity checks to computation function

They don't need to be on the inlined hot code path. This is an amendment
to https://codereview.chromium.org/1980913002 which moved them from the
computation function to the cache lookup function.

BUG=610313
R=kojii,eae,behdad
==========

to

==========
Move bounds and width function sanity checks to computation function

They don't need to be on the inlined hot code path. This is an amendment
to https://codereview.chromium.org/1980913002 which moved them from the
computation function to the cache lookup function.

BUG=610313
R=kojii,eae,behdad

Committed: https://crrev.com/0045a6a845ff4e21dcfe718dd26e2e29ce867622
Cr-Commit-Position: refs/heads/master@{#408167}
==========

[commit-bot: I haz the power, 2016-07-27 17:28:37]

Patchset 1 (id:??) landed as
https://crrev.com/0045a6a845ff4e21dcfe718dd26e2e29ce867622
Cr-Commit-Position: refs/heads/master@{#408167}