Roll src/tools/gyp 2b17e0b26..5d01a8cda

Roll src/tools/gyp 2b17e0b26..5d01a8cda

https://chromium.googlesource.com/external/gyp.git/+log/2b17e0b26a93e8c9758c23aec6c554da4ca8f0a9..5d01a8cda53bfa23f1dcbe0c31c33aa30f50cf4c

To pick up the revert in https://chromium.googlesource.com/external/gyp/+/5d01a8cda53bfa23f1dcbe0c31c33aa30f50cf4c
that breaks certain projects sharing the Chromium build toolchain.

BUG=

Committed: https://crrev.com/5482f563e441be7ab1cf59a02e3fd9e010e9535b
Cr-Commit-Position: refs/heads/master@{#347609}

[kjellander_chromium, 2015-09-07 06:06:43]

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

[kjellander_chromium, 2015-09-07 06:06:43]

This will unblock WebRTC from rolling forward.

[kjellander_chromium, 2015-09-07 06:06:51]

The CQ bit was checked by kjellander@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-09-07 06:06:53]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1304983008/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1304983008/1

[commit-bot: I haz the power, 2015-09-07 07:15:42]

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

[commit-bot: I haz the power, 2015-09-07 07:15:42]

Dry run: This issue passed the CQ dry run.

[phoglund_chromium, 2015-09-07 07:50:15]

Ok, feels good it's just that one patch and nothing else. lgtm

[kjellander_chromium, 2015-09-07 08:12:53]

The CQ bit was checked by kjellander@chromium.org

[commit-bot: I haz the power, 2015-09-07 08:12:57]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1304983008/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1304983008/1

[commit-bot: I haz the power, 2015-09-07 08:17:35]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-09-07 08:18:17]

Patchset 1 (id:??) landed as
https://crrev.com/5482f563e441be7ab1cf59a02e3fd9e010e9535b
Cr-Commit-Position: refs/heads/master@{#347609}