Don't use `sizeof(a) / sizeof(a)` to compute the number of elements in array a.

Don't use `sizeof(a) / sizeof(a)` to compute the number of elements in array a.

The interesting parts of the patch are by wtc.

Found by PVS Studio: http://www.viva64.com/en/b/0113/ , N12

BUG=100278
TEST=none


Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=105467

[M-A Ruel, 2011-10-13 18:53:58]

lgtm

[commit-bot: I haz the power, 2011-10-13 18:54:11]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/thakis@chromium.org/8273009/1

[commit-bot: I haz the power, 2011-10-13 18:54:14]

Presubmit check for 8273009-1 failed and returned exit status 1.

Running presubmit commit checks ...

** Presubmit ERRORS **
Missing LGTM from an OWNER for: base/shared_memory_unittest.cc

[commit-bot: I haz the power, 2011-10-13 18:58:42]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/thakis@chromium.org/8273009/1

[Mark Mentovai, 2011-10-13 18:58:49]

LGTM

[commit-bot: I haz the power, 2011-10-13 20:38:23]

The commit queue went berserk retrying too often for a
seemingly flaky test. Builder is linux_rel, revision is 105361, job name
was 8273009-1 (retry) (retry) (retry) (retry).

[M-A Ruel, 2011-10-13 20:40:13]

On 2011/10/13 20:38:23, I haz the power (commit-bot) wrote:
> The commit queue went berserk retrying too often for a
> seemingly flaky test. Builder is linux_rel, revision is 105361, job name
> was 8273009-1 (retry) (retry) (retry) (retry).

Bleh, HEAD was broken, reenabling the commit bit.

[commit-bot: I haz the power, 2011-10-13 20:40:23]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/thakis@chromium.org/8273009/1

[commit-bot: I haz the power, 2011-10-13 22:47:26]

The commit queue went berserk retrying too often for a
seemingly flaky test. Builder is linux_rel, revision is 105390, job name
was 8273009-1 (retry) (retry) (retry) (retry).

[M-A Ruel, 2011-10-13 23:00:58]

Humm, I looked at it well and it's indeed causing a failure. You'll need to
investigate this before committing!

[commit-bot: I haz the power, 2011-10-13 23:46:07]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/thakis@chromium.org/8273009/1003

[wtc, 2011-10-13 23:57:01]

Patch Set 2 LGTM.

[commit-bot: I haz the power, 2011-10-14 01:10:49]

List of reviewers changed.

[commit-bot: I haz the power, 2011-10-14 06:16:37]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/thakis@chromium.org/8273009/1003

[commit-bot: I haz the power, 2011-10-14 07:28:08]

Change committed as 105467