Set bootstrap toolchain's toolchain_os to target_os

Set bootstrap toolchain's toolchain_os to target_os

When building for Chrome OS, toolchain_os should be "chromeos"

Chrome side change: https://codereview.chromium.org/1901353002

BUG=604971
TEST=In chrome-sdk, gn gen --args=$GN_ARGS out/gn && ninja -C out/gn
chrome

Committed: https://chromium.googlesource.com/native_client/src/native_client/+/e00683860ca12657641baaadcbd9661c1fb82f51

[hashimoto, 2016-04-20 05:14:44]

Description was changed from

==========
Set bootstrap toolchain's toolchain_os to target_os

When building for Chrome OS, toolchain_os should be "chromeos"

BUG=604971
TEST=In chrome-sdk, gn gen --args=$GN_ARGS out/gn && ninja -C out/gn
chrome
==========

to

==========
Set bootstrap toolchain's toolchain_os to target_os

When building for Chrome OS, toolchain_os should be "chromeos"

Chrome side change: https://codereview.chromium.org/1901353002

BUG=604971
TEST=In chrome-sdk, gn gen --args=$GN_ARGS out/gn && ninja -C out/gn
chrome
==========

[hashimoto, 2016-04-20 05:17:09]

hashimoto@chromium.org changed reviewers:
+ mcgrathr@chromium.org

[hashimoto, 2016-04-20 05:17:10]

cc: dpranke@chromium.org

[Roland McGrath, 2016-04-20 18:41:54]

lgtm

[Dirk Pranke, 2016-04-20 22:21:42]

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

[Dirk Pranke, 2016-04-20 22:21:42]

lgtm

[hashimoto, 2016-04-21 00:30:13]

The CQ bit was checked by hashimoto@chromium.org

[commit-bot: I haz the power, 2016-04-21 00:30:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1902683004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1902683004/1

[commit-bot: I haz the power, 2016-04-21 01:06:57]

Description was changed from

==========
Set bootstrap toolchain's toolchain_os to target_os

When building for Chrome OS, toolchain_os should be "chromeos"

Chrome side change: https://codereview.chromium.org/1901353002

BUG=604971
TEST=In chrome-sdk, gn gen --args=$GN_ARGS out/gn && ninja -C out/gn
chrome
==========

to

==========
Set bootstrap toolchain's toolchain_os to target_os

When building for Chrome OS, toolchain_os should be "chromeos"

Chrome side change: https://codereview.chromium.org/1901353002

BUG=604971
TEST=In chrome-sdk, gn gen --args=$GN_ARGS out/gn && ninja -C out/gn
chrome

Committed:
https://chromium.googlesource.com/native_client/src/native_client/+/e00683860...
==========

[commit-bot: I haz the power, 2016-04-21 01:06:58]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/native_client/src/native_client/+/e00683860...