GN: Add build_overrides/webrtc.gni

GN: Add build_overrides/webrtc.gni

Provides values for the Chromium build of WebRTC.

Corresponding change in WebRTC:
https://codereview.webrtc.org/1403453003/

BUG=webrtc:5070, chromium:541791
TBR=brettw@chromium.org

Committed: https://crrev.com/71b9d7ed0ae2e4617e3997fc3832af5a6adc5b3c
Cr-Commit-Position: refs/heads/master@{#353969}

[kjellander_chromium, 2015-10-13 16:41:17]

kjellander@chromium.org changed reviewers:
+ dpranke@chromium.org

[kjellander_chromium, 2015-10-13 16:41:17]

Is this how it's supposed to work after
https://codereview.chromium.org/1397493004 ?

[Dirk Pranke, 2015-10-13 17:28:09]

https://codereview.chromium.org/1406543003/diff/1/build/config/BUILD.gn
File build/config/BUILD.gn (right):

https://codereview.chromium.org/1406543003/diff/1/build/config/BUILD.gn#newco...
build/config/BUILD.gn:12: import("//build_overrides/webrtc.gni")
You don't need to add this. The only reason the v8.gni file is being included is
because there's a reference to v8_use_external_startup_data, below (which
shouldn't be there, as per the todo on line 41.

[kjellander_chromium, 2015-10-13 21:42:54]

PTAL

https://codereview.chromium.org/1406543003/diff/1/build/config/BUILD.gn
File build/config/BUILD.gn (right):

https://codereview.chromium.org/1406543003/diff/1/build/config/BUILD.gn#newco...
build/config/BUILD.gn:12: import("//build_overrides/webrtc.gni")
On 2015/10/13 17:28:09, Dirk Pranke wrote:
> You don't need to add this. The only reason the v8.gni file is being included
is
> because there's a reference to v8_use_external_startup_data, below (which
> shouldn't be there, as per the todo on line 41.

OK, removed in PS#2.

[Dirk Pranke, 2015-10-13 22:01:44]

lgtm

[kjellander_chromium, 2015-10-14 05:57:55]

The CQ bit was checked by kjellander@chromium.org

[commit-bot: I haz the power, 2015-10-14 05:58:12]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1406543003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1406543003/20001

[commit-bot: I haz the power, 2015-10-14 06:06:06]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-10-14 06:06:07]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[kjellander_chromium, 2015-10-14 06:13:01]

kjellander@chromium.org changed reviewers:
+ brettw@chromium.org

[kjellander_chromium, 2015-10-14 06:13:25]

On 2015/10/14 06:06:07, commit-bot: I haz the power wrote:
> Try jobs failed on following builders:
>   chromium_presubmit on tryserver.chromium.linux (JOB_FAILED,
>
http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

Oh, there's no OWNERS in build_overrides. TBR'ing brettw@

[kjellander_chromium, 2015-10-14 06:13:31]

The CQ bit was checked by kjellander@chromium.org

[commit-bot: I haz the power, 2015-10-14 06:13:55]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1406543003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1406543003/20001

[commit-bot: I haz the power, 2015-10-14 06:45:42]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-10-14 06:46:27]

Patchset 2 (id:??) landed as
https://crrev.com/71b9d7ed0ae2e4617e3997fc3832af5a6adc5b3c
Cr-Commit-Position: refs/heads/master@{#353969}