Set optional LastSwiftUpdateCheck to Xcode project attributes.

Set optional LastSwiftUpdateCheck to Xcode project attributes.

Adding this to also supress project upgrade warnings for Swift-based gyp generated project files.

R=mark@chromium.org

Committed: https://chromium.googlesource.com/external/gyp/+/ae2d73840216529adeef06ecc21c958c47530542

[altse1, 2015-11-01 16:29:10]

Description was changed from

==========
Set optional LastSwiftUpdateCheck to Xcode project attributes.
==========

to

==========
Set optional LastSwiftUpdateCheck to Xcode project attributes.

Adding this to also supress project upgrade warnings for Swift-based gyp
generated project files.
==========

[altse1, 2015-11-01 16:29:10]

altse@chromium.org changed reviewers:
+ mark@chromium.org

[Mark Mentovai, 2015-11-01 16:30:47]

LGTM, I guess. I don’t know what this does.

[altse1, 2015-11-01 18:54:25]

On 2015/11/01 16:30:47, Mark Mentovai wrote:
> LGTM, I guess. I don’t know what this does.

It's essentially the same as Alex's change, except that attribute only appears
if you have Swift targets in your project.

Thanks!

[altse, 2015-11-03 14:46:34]

On 2015/11/01 18:54:25, altse1 wrote:
> On 2015/11/01 16:30:47, Mark Mentovai wrote:
> > LGTM, I guess. I don’t know what this does.
> 
> It's essentially the same as Alex's change, except that attribute only appears
> if you have Swift targets in your project.
> 
> Thanks!

I'm having trouble figuring out how to commit this through rietveld. I don't see
a "Commit checkbox" as described in the instructions:
http://www.chromium.org/developers/contributing-code

[Mark Mentovai, 2015-11-03 14:49:55]

Committed patchset #1 (id:1) manually as
ae2d73840216529adeef06ecc21c958c47530542 (presubmit successful).

[Mark Mentovai, 2015-11-03 14:52:02]

GYP doesn’t have a commit queue, so I landed it for you.

[altse, 2015-11-03 15:06:17]

On 2015/11/03 14:52:02, Mark Mentovai wrote:
> GYP doesn’t have a commit queue, so I landed it for you.

Thanks!