GN: Replace Windows suppressions of warning 4267 with config.

GN: Replace Windows suppressions of warning 4267 with config.

This makes the GN configurations easier to read.

BUG=webrtc:5949
NOTRY=True

Committed: https://crrev.com/8f4419b074b2869e178bb3bd178b8396e4417f3f
Cr-Commit-Position: refs/heads/master@{#13006}

[kjellander_webrtc, 2016-06-01 16:19:14]

kjellander@webrtc.org changed reviewers:
+ phoglund@webrtc.org

[phoglund, 2016-06-02 08:42:55]

lgtm

[kjellander_webrtc, 2016-06-02 09:07:50]

The CQ bit was checked by kjellander@webrtc.org

[commit-bot: I haz the power, 2016-06-02 09:07:55]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2020343003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2020343003/1

[commit-bot: I haz the power, 2016-06-02 09:09:58]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-02 09:10:00]

Description was changed from

==========
GN: Replace Windows suppressions of warning 4267 with config.

This makes the GN configurations easier to read.

BUG=webrtc:5949
NOTRY=True
==========

to

==========
GN: Replace Windows suppressions of warning 4267 with config.

This makes the GN configurations easier to read.

BUG=webrtc:5949
NOTRY=True

Committed: https://crrev.com/8f4419b074b2869e178bb3bd178b8396e4417f3f
Cr-Commit-Position: refs/heads/master@{#13006}
==========

[commit-bot: I haz the power, 2016-06-02 09:10:01]

Patchset 1 (id:??) landed as
https://crrev.com/8f4419b074b2869e178bb3bd178b8396e4417f3f
Cr-Commit-Position: refs/heads/master@{#13006}