commit 1451181d4ab3572b82212827f3d6e91b85308324
author sdefresne <sdefresne@chromium.org> Thu Dec 01 12:58:26 2016 -0800
committer Commit bot <commit-bot@chromium.org> Thu Dec 01 21:01:25 2016 +0000
tree fb0f47e94308b4cefbb1ab217ed0fad0b5b05bbf
parent 0c3576b9c0c2488c1ce6501c759dafb27921e2c5

[GN] Sanitize environment variables when running ninja from Xcode.

When invoking build script from Xcode, many environment variables
are exported by Xcode based on the project settings. Sanitize the
environment as those variable interact poorly with the hermetic
build (see linked bug for detail of failure more).

BUG=634501

Review-Url: https://codereview.chromium.org/2544803002
Cr-Original-Commit-Position: refs/heads/master@{#435707}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 84aac8fc963ba786889000c40bb5c5a7e95b1b3b