WebRTC: Use slave_build dir instead of working dir for symlink cleaning.

WebRTC: Use slave_build dir instead of working dir for symlink cleaning.

When deploying this change to the rest of our bots
the recipes that aren't using remote_run fail since
self.m.chromium_checkout.get_checkout_dir({}) returns None.
Using self.m.path['slave_build'] should work for all
recipes and give the same directory.

BUG=663278
TBR=ehmaldonado@chromium.org

Committed: https://chromium.googlesource.com/chromium/tools/build/+/bac681250e8cb2f4e17ae68dca934d127d3e0b0f

[kjellander_chromium, 2016-11-10 07:29:50]

Description was changed from

==========
WebRTC: Use slave_build dir instead of working dir for symlink cleaning.

When deploying this change to the rest of our bots
the recipes that aren't using remote_run fail since
self.m.chromium_checkout.get_checkout_dir({}) returns None.
Using self.m.path['slave_build'] should work for all
recipes and give the same directory.

BUG=663278
==========

to

==========
WebRTC: Use slave_build dir instead of working dir for symlink cleaning.

When deploying this change to the rest of our bots
the recipes that aren't using remote_run fail since
self.m.chromium_checkout.get_checkout_dir({}) returns None.
Using self.m.path['slave_build'] should work for all
recipes and give the same directory.

BUG=663278
TBR=ehmaldonado@chromium.org
==========

[kjellander_chromium, 2016-11-10 07:29:50]

kjellander@chromium.org changed reviewers:
+ ehmaldonado@chromium.org

[kjellander_chromium, 2016-11-10 07:30:02]

The CQ bit was checked by kjellander@chromium.org

[commit-bot: I haz the power, 2016-11-10 07:30:13]

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, 2016-11-10 07:40:17]

Description was changed from

==========
WebRTC: Use slave_build dir instead of working dir for symlink cleaning.

When deploying this change to the rest of our bots
the recipes that aren't using remote_run fail since
self.m.chromium_checkout.get_checkout_dir({}) returns None.
Using self.m.path['slave_build'] should work for all
recipes and give the same directory.

BUG=663278
TBR=ehmaldonado@chromium.org
==========

to

==========
WebRTC: Use slave_build dir instead of working dir for symlink cleaning.

When deploying this change to the rest of our bots
the recipes that aren't using remote_run fail since
self.m.chromium_checkout.get_checkout_dir({}) returns None.
Using self.m.path['slave_build'] should work for all
recipes and give the same directory.

BUG=663278
TBR=ehmaldonado@chromium.org

Committed:
https://chromium.googlesource.com/chromium/tools/build/+/bac681250e8cb2f4e17a...
==========

[commit-bot: I haz the power, 2016-11-10 07:40:17]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/tools/build/+/bac681250e8cb2f4e17a...