[Mac/iOS/GN] Re-purpose the ios_compile_xib.py file to also handle Mac XIBs.

[Mac/iOS/GN] Re-purpose the ios_compile_xib.py file to also handle Mac XIBs.

This leaves the existing bundle_data_xib rule for iOS but re-implements it
using a new compile_xibs template. This also adds mac_xib_bundle_data to
call the compile_xibs template and add a bundle_data.

BUG=297668
R=sdefresne@chromium.org

Committed: https://crrev.com/ef017e6f2fe72ce3cb2c2aa0150b898a044fd39c
Cr-Commit-Position: refs/heads/master@{#388186}

[Robert Sesek, 2016-04-18 23:38:58]

Patchset #2 (id:20001) has been deleted

[Robert Sesek, 2016-04-18 23:39:30]

Patchset #1 (id:1) has been deleted

[sdefresne, 2016-04-19 07:09:10]

lgtm

https://codereview.chromium.org/1897853003/diff/40001/build/config/mac/rules.gni
File build/config/mac/rules.gni (right):

https://codereview.chromium.org/1897853003/diff/40001/build/config/mac/rules....
build/config/mac/rules.gni:173: "{{source}}",
Nice, I didn't knew about this, I was always using rebase_path(sources,
root_out_dir).

[Robert Sesek, 2016-04-19 11:12:11]

The CQ bit was checked by rsesek@chromium.org

[commit-bot: I haz the power, 2016-04-19 11:12:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1897853003/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1897853003/40001

[commit-bot: I haz the power, 2016-04-19 12:02:09]

Committed patchset #1 (id:40001)

[commit-bot: I haz the power, 2016-04-19 12:03:26]

Description was changed from

==========
[Mac/iOS/GN] Re-purpose the ios_compile_xib.py file to also handle Mac XIBs.

This leaves the existing bundle_data_xib rule for iOS but re-implements it
using a new compile_xibs template. This also adds mac_xib_bundle_data to
call the compile_xibs template and add a bundle_data.

BUG=297668
R=sdefresne@chromium.org
==========

to

==========
[Mac/iOS/GN] Re-purpose the ios_compile_xib.py file to also handle Mac XIBs.

This leaves the existing bundle_data_xib rule for iOS but re-implements it
using a new compile_xibs template. This also adds mac_xib_bundle_data to
call the compile_xibs template and add a bundle_data.

BUG=297668
R=sdefresne@chromium.org

Committed: https://crrev.com/ef017e6f2fe72ce3cb2c2aa0150b898a044fd39c
Cr-Commit-Position: refs/heads/master@{#388186}
==========

[commit-bot: I haz the power, 2016-04-19 12:03:27]

Patchset 1 (id:??) landed as
https://crrev.com/ef017e6f2fe72ce3cb2c2aa0150b898a044fd39c
Cr-Commit-Position: refs/heads/master@{#388186}