fix operator precedence in test.

clarify operator precedence in test.

VS /analyze complains about this.

BUG=427616
Committed: https://crrev.com/4332d2efc6f9847851291eff6f93665eb6b08f99
Cr-Commit-Position: refs/heads/master@{#313429}

[cpu_(ooo_6.6-7.5), 2015-01-28 00:49:34]

cpu@chromium.org changed reviewers:
+ mattm@chromium.org

[cpu_(ooo_6.6-7.5), 2015-01-28 00:50:41]

this error

e:\b\build\slave\chromium_windows_analyze\build\src\chrome\browser\safe_browsing\protocol_parser_unittest.cc(81)
: warning C6336: Arithmetic operator has precedence over question operator, use
parentheses to clarify intent.
e:\b\build\slave\chromium_windows_analyze\build\src\chrome\browser\safe_browsing\protocol_parser_unittest.cc(82)
: warning C6336: Arithmetic operator has precedence over question operator, use
parentheses to clarify intent.
e:\b\build\slave\chromium_windows_analyze\build\src\chrome\browser\safe_browsing\protocol_parser_unittest.cc(275)
: warning C6336: Arithmetic operator has precedence over question operator, use
parentheses to clarify intent.
e:\b\build\slave\chromium_windows_analyze\build\src\chrome\browser\safe_browsing\protocol_parser_unittest.cc(276)
: warning C6336: Arithmetic operator has precedence over question operator, use
parentheses to clarify intent.

[mattm, 2015-01-28 01:00:17]

lgtm

[mattm, 2015-01-28 01:01:56]

On 2015/01/28 01:00:17, mattm wrote:
> lgtm

(though technically the precedence was okay already, just possibly non-obvious,
so maybe the description could be reworded)

[cpu_(ooo_6.6-7.5), 2015-01-28 01:58:17]

The CQ bit was checked by cpu@chromium.org

[commit-bot: I haz the power, 2015-01-28 01:59:20]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/878333002/1

[commit-bot: I haz the power, 2015-01-28 04:10:45]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-01-28 04:12:47]

Patchset 1 (id:??) landed as
https://crrev.com/4332d2efc6f9847851291eff6f93665eb6b08f99
Cr-Commit-Position: refs/heads/master@{#313429}