Use explicit pool to define concurrent_links jobs.

Use explicit pool to define concurrent_links jobs.

Define an explicit pool //build/toolchain:link_pool with a depth
of concurrent_links and convert all the toolchain link targets to
use it instead of setting concurrent_links property of the tool.

BUG=612786
Committed: https://crrev.com/96e7407d139b8a8e43f6db7d4af3118078aba7de
Cr-Commit-Position: refs/heads/master@{#409846}

[sdefresne, 2016-08-03 21:30:53]

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

[sdefresne, 2016-08-03 21:31:49]

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

[sdefresne, 2016-08-03 21:31:50]

https://codereview.chromium.org/2201363004/diff/1/build/toolchain/BUILD.gn
File build/toolchain/BUILD.gn (right):

https://codereview.chromium.org/2201363004/diff/1/build/toolchain/BUILD.gn#ne...
build/toolchain/BUILD.gn:7: if (current_toolchain == default_toolchain) {
Note: this is a new file, git incorrectly inferred a copy+update.

[commit-bot: I haz the power, 2016-08-03 21:31:53]

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

[sdefresne, 2016-08-03 21:34:15]

Please take a look.

[commit-bot: I haz the power, 2016-08-03 23:06:18]

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

[commit-bot: I haz the power, 2016-08-03 23:06:20]

Dry run: This issue passed the CQ dry run.

[brettw, 2016-08-04 18:24:20]

lgtm

[sdefresne, 2016-08-04 18:30:18]

The CQ bit was checked by sdefresne@chromium.org

[commit-bot: I haz the power, 2016-08-04 18:31:10]

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, 2016-08-04 18:41:32]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-04 18:44:49]

Description was changed from

==========
Use explicit pool to define concurrent_links jobs.

Define an explicit pool //build/toolchain:link_pool with a depth
of concurrent_links and convert all the toolchain link targets to
use it instead of setting concurrent_links property of the tool.

BUG=612786
==========

to

==========
Use explicit pool to define concurrent_links jobs.

Define an explicit pool //build/toolchain:link_pool with a depth
of concurrent_links and convert all the toolchain link targets to
use it instead of setting concurrent_links property of the tool.

BUG=612786

Committed: https://crrev.com/96e7407d139b8a8e43f6db7d4af3118078aba7de
Cr-Commit-Position: refs/heads/master@{#409846}
==========

[commit-bot: I haz the power, 2016-08-04 18:44:50]

Patchset 1 (id:??) landed as
https://crrev.com/96e7407d139b8a8e43f6db7d4af3118078aba7de
Cr-Commit-Position: refs/heads/master@{#409846}