Remove unused variable ios_mac_build

Remove unused variable ios_mac_build

The variable is set in this file but there is no other references to
it in the code base.

BUG=None

Committed: https://crrev.com/0478f24c7e4602da7bcb317eabfa863467d85fbc
Cr-Commit-Position: refs/heads/master@{#294847}

[sdefresne, 2014-09-15 10:21:11]

sdefresne@chromium.org changed reviewers:
+ justincohen@google.com

[sdefresne, 2014-09-15 10:21:11]

Please take a look. This variable is used neither upstream nor downstream.

[justincohen, 2014-09-15 13:44:51]

justincohen@chromium.org changed reviewers:
+ justincohen@chromium.org

[justincohen, 2014-09-15 13:44:52]

lgtm

https://codereview.chromium.org/564523003/diff/1/build/ios/mac_build.gypi
File build/ios/mac_build.gypi (left):

https://codereview.chromium.org/564523003/diff/1/build/ios/mac_build.gypi#old...
build/ios/mac_build.gypi:71: '-Dios_mac_build=1',
Do you know where we ever used this?

[sdefresne, 2014-09-15 14:46:03]

sdefresne@chromium.org changed reviewers:
- justincohen@google.com

[sdefresne, 2014-09-15 15:16:29]

Thank you.

https://codereview.chromium.org/564523003/diff/1/build/ios/mac_build.gypi
File build/ios/mac_build.gypi (left):

https://codereview.chromium.org/564523003/diff/1/build/ios/mac_build.gypi#old...
build/ios/mac_build.gypi:71: '-Dios_mac_build=1',
On 2014/09/15 13:44:51, justincohen wrote:
> Do you know where we ever used this? 

It was never used not even in the CL that introduced it. It's been removed
downstream so I think it is unnecessary.

[sdefresne, 2014-09-15 15:16:32]

The CQ bit was checked by sdefresne@chromium.org

[commit-bot: I haz the power, 2014-09-15 15:17:20]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patchset/564523003/1

[commit-bot: I haz the power, 2014-09-15 15:17:22]

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

[commit-bot: I haz the power, 2014-09-15 15:17:23]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer or
a provisional committer, _not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[sdefresne, 2014-09-15 15:30:58]

sdefresne@chromium.org changed reviewers:
+ qsr@chromium.org

[sdefresne, 2014-09-15 15:31:08]

+qsr for committer LGTM

[qsr, 2014-09-15 15:31:22]

RS LGTM

[sdefresne, 2014-09-15 15:31:52]

The CQ bit was checked by sdefresne@chromium.org

[commit-bot: I haz the power, 2014-09-15 15:32:50]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patchset/564523003/1

[commit-bot: I haz the power, 2014-09-15 17:46:39]

Committed patchset #1 (id:1) as 55693d0ec7d870d87f02470904b3cc26c15bcb45

[commit-bot: I haz the power, 2014-09-15 17:56:29]

Patchset 1 (id:??) landed as
https://crrev.com/0478f24c7e4602da7bcb317eabfa863467d85fbc
Cr-Commit-Position: refs/heads/master@{#294847}