GN: Mark variables in nested scopes used for += and -=.

GN: Mark variables in nested scopes used for += and -=.

Previuosly GN would give an unused variable warning when you did += in an inner
scope for a variable defined in an outer scope. This patch marks the outer
variable used in this case.

Committed: https://crrev.com/80be99d1402bc09c858868b66761d2df77f218b3
Cr-Commit-Position: refs/heads/master@{#423226}

[brettw, 2016-10-05 17:56:08]

brettw@chromium.org changed reviewers:
+ scottmg@chromium.org

[brettw, 2016-10-05 17:56:14]

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

[commit-bot: I haz the power, 2016-10-05 17:56:35]

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

[brettw, 2016-10-05 18:02:23]

Fix

[brettw, 2016-10-05 18:02:24]

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

[commit-bot: I haz the power, 2016-10-05 18:02:56]

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, 2016-10-05 18:12:02]

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

[commit-bot: I haz the power, 2016-10-05 18:12:03]

Dry run: This issue passed the CQ dry run.

[scottmg, 2016-10-05 18:12:55]

lgtm

[brettw, 2016-10-05 18:15:07]

The CQ bit was unchecked by brettw@chromium.org

[brettw, 2016-10-05 18:15:11]

The CQ bit was checked by brettw@chromium.org

[commit-bot: I haz the power, 2016-10-05 18:15:41]

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, 2016-10-05 18:25:59]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-10-05 18:28:20]

Description was changed from

==========
GN: Mark variables in nested scopes used for += and -=.

Previuosly GN would give an unused variable warning when you did += in an inner
scope for a variable defined in an outer scope. This patch marks the outer
variable used in this case.
==========

to

==========
GN: Mark variables in nested scopes used for += and -=.

Previuosly GN would give an unused variable warning when you did += in an inner
scope for a variable defined in an outer scope. This patch marks the outer
variable used in this case.

Committed: https://crrev.com/80be99d1402bc09c858868b66761d2df77f218b3
Cr-Commit-Position: refs/heads/master@{#423226}
==========

[commit-bot: I haz the power, 2016-10-05 18:28:21]

Patchset 2 (id:??) landed as
https://crrev.com/80be99d1402bc09c858868b66761d2df77f218b3
Cr-Commit-Position: refs/heads/master@{#423226}