gn format: Special case for single arg function calls containing boolean ops

gn format: Special case for single arg function calls containing boolean ops

Follows https://codereview.chromium.org/772663002/ .

R=brettw@chromium.org
BUG=348474
Committed: https://crrev.com/78c18bdb7076e2d91e6776e030a1d5b8d44dd247
Cr-Commit-Position: refs/heads/master@{#306297}

[brettw, 2014-12-01 22:31:18]

I don't see any test cases for a multiline if (which looks like a single-arg
bool function call). Can you add one?

[scottmg, 2014-12-01 22:43:40]

On 2014/12/01 22:31:18, brettw wrote:
> I don't see any test cases for a multiline if (which looks like a single-arg
> bool function call). Can you add one?

There was, but only incidentally. Added one here so that it's in the same place
as the function one.

[brettw, 2014-12-01 22:45:16]

lgtm

[scottmg, 2014-12-01 22:51:40]

The CQ bit was checked by scottmg@chromium.org

[commit-bot: I haz the power, 2014-12-01 22:53:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/770053002/20001

[commit-bot: I haz the power, 2014-12-01 23:54:14]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2014-12-01 23:55:03]

Patchset 2 (id:??) landed as
https://crrev.com/78c18bdb7076e2d91e6776e030a1d5b8d44dd247
Cr-Commit-Position: refs/heads/master@{#306297}