Set up a network service bootstrap.

Set up a network service bootstrap.

This adds a script to download network service binaries identified by
a versioned stamp kept in services/network/VERSION and adds a DEPS hook
to run it at gclient --sync.

BUG=450356
R=jamesr@chromium.org

Committed: https://chromium.googlesource.com/external/mojo/+/bd599f305854b469c366ba2ce00464660213df6a

[ppi, 2015-01-23 21:33:30]

ppi@chromium.org changed reviewers:
+ jamesr@chromium.org

[ppi, 2015-01-23 21:34:02]

Hi James,

ptal.

[ppi, 2015-01-23 23:06:51]

Patchset #2 (id:20001) has been deleted

[ppi, 2015-01-23 23:06:57]

Patchset #2 (id:40001) has been deleted

[ppi, 2015-01-23 23:07:03]

Patchset #2 (id:60001) has been deleted

[ppi, 2015-01-23 23:07:10]

Patchset #2 (id:10006) has been deleted

[jamesr, 2015-01-23 23:15:01]

lgtm

https://codereview.chromium.org/869193005/diff/90001/services/network/BUILD.gn
File services/network/BUILD.gn (right):

https://codereview.chromium.org/869193005/diff/90001/services/network/BUILD.g...
services/network/BUILD.gn:13: "prebuilt/linux-x64/$filename",
can we assert(is_linux) here so if someone tries this on another platform they
get a more obvious error?

https://codereview.chromium.org/869193005/diff/90001/services/network/downloa...
File services/network/download_network_service.py (right):

https://codereview.chromium.org/869193005/diff/90001/services/network/downloa...
services/network/download_network_service.py:27: gs_path =
"gs://mojo/network/%s/%s.zip" % (version, platform,)
why the ",)" ?

[ppi, 2015-01-23 23:24:36]

Thanks!

https://codereview.chromium.org/869193005/diff/90001/services/network/BUILD.gn
File services/network/BUILD.gn (right):

https://codereview.chromium.org/869193005/diff/90001/services/network/BUILD.g...
services/network/BUILD.gn:13: "prebuilt/linux-x64/$filename",
On 2015/01/23 23:15:00, jamesr wrote:
> can we assert(is_linux) here so if someone tries this on another platform they
> get a more obvious error?

Done.

https://codereview.chromium.org/869193005/diff/90001/services/network/downloa...
File services/network/download_network_service.py (right):

https://codereview.chromium.org/869193005/diff/90001/services/network/downloa...
services/network/download_network_service.py:27: gs_path =
"gs://mojo/network/%s/%s.zip" % (version, platform,)
On 2015/01/23 23:15:00, jamesr wrote:
> why the ",)" ?

Done.

[ppi, 2015-01-23 23:25:18]

Committed patchset #3 (id:2) manually as
bd599f305854b469c366ba2ce00464660213df6a (presubmit successful).