Revert pub to script snapshots in the GN build. Fixes #28346.

Revert pub to script snapshots in the GN build. Fixes #28346.

App snapshots do not yet support spawnUri (issue #28368).

R=asiva@google.com

Committed: https://github.com/dart-lang/sdk/commit/5062baffb674d2a27077019cd5a8b875d17ae4d3

[rmacnak, 2017-01-12 20:34:39]

rmacnak@google.com changed reviewers:
+ asiva@google.com

[siva, 2017-01-12 21:06:48]

lgtm

[rmacnak, 2017-01-12 21:07:34]

Description was changed from

==========
Revert pub to script snapshots in the GN build. Fixes #28346.

App snapshots do not yet support spawnUri (issue #28368).
==========

to

==========
Revert pub to script snapshots in the GN build. Fixes #28346.

App snapshots do not yet support spawnUri (issue #28368).

R=asiva@google.com

Committed:
https://github.com/dart-lang/sdk/commit/5062baffb674d2a27077019cd5a8b875d17ae4d3
==========

[rmacnak, 2017-01-12 21:07:35]

Committed patchset #1 (id:1) manually as
5062baffb674d2a27077019cd5a8b875d17ae4d3 (presubmit successful).

[zra, 2017-01-12 21:12:41]

zra@google.com changed reviewers:
+ zra@google.com

[zra, 2017-01-12 21:12:42]

https://codereview.chromium.org/2621423004/diff/1/utils/application_snapshot.gni
File utils/application_snapshot.gni (right):

https://codereview.chromium.org/2621423004/diff/1/utils/application_snapshot....
utils/application_snapshot.gni:56: assert(defined(invoker.training_args), "Must
specify 'training_args'")
Why does a script snapshot need training args?

[rmacnak, 2017-01-13 18:47:42]

https://codereview.chromium.org/2621423004/diff/1/utils/application_snapshot.gni
File utils/application_snapshot.gni (right):

https://codereview.chromium.org/2621423004/diff/1/utils/application_snapshot....
utils/application_snapshot.gni:56: assert(defined(invoker.training_args), "Must
specify 'training_args'")
On 2017/01/12 21:12:41, zra wrote:
> Why does a script snapshot need training args?

It doesn't. This was a quick fix and removed in
https://codereview.chromium.org/2628283002.