Initialize TaskScheduler in gin_main.cc.

Initialize TaskScheduler in gin_main.cc.

This is a prerequisite to migrate v8_platform.cc from
base::WorkerPool to base::TaskScheduler.

BUG=659191
TBR=jochen@chromium.org

Review-Url: https://codereview.chromium.org/2877963002
Cr-Commit-Position: refs/heads/master@{#471282}
Committed: https://chromium.googlesource.com/chromium/src/+/876959fd7694a3276cd8c22d7c2ed858a5e7fc21

[fdoray, 2017-05-12 12:12:44]

TBR jochen@, who already reviewed this as part of
https://codereview.chromium.org/2876523002

[fdoray, 2017-05-12 12:12:46]

The CQ bit was checked by fdoray@chromium.org

[commit-bot: I haz the power, 2017-05-12 12:13:11]

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, 2017-05-12 12:27:39]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1494591166947150, "parent_rev":
"63508ab5faefdc7f4ba4c0ed82ee70f4556c9962", "commit_rev":
"876959fd7694a3276cd8c22d7c2ed858a5e7fc21"}

[commit-bot: I haz the power, 2017-05-12 12:27:48]

Description was changed from

==========
Initialize TaskScheduler in gin_main.cc.

This is a prerequisite to migrate v8_platform.cc from
base::WorkerPool to base::TaskScheduler.

BUG=659191
TBR=jochen@chromium.org
==========

to

==========
Initialize TaskScheduler in gin_main.cc.

This is a prerequisite to migrate v8_platform.cc from
base::WorkerPool to base::TaskScheduler.

BUG=659191
TBR=jochen@chromium.org

Review-Url: https://codereview.chromium.org/2877963002
Cr-Commit-Position: refs/heads/master@{#471282}
Committed:
https://chromium.googlesource.com/chromium/src/+/876959fd7694a3276cd8c22d7c2e...
==========

[commit-bot: I haz the power, 2017-05-12 12:27:49]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/876959fd7694a3276cd8c22d7c2e...