Roll GN from 8c7f4910 to 972ed755

https://gn.googlesource.com/gn.git/+log/8c7f4910..972ed755

972ed755 Update to more uses of C++11.
a3e0807f Make exec_process_unittest.cc work with Python 3.
e6b6049e Adds support for iOS colorsets.
2e73d712 Add command_launcher field to tools
86d2534a Add -Lnative link search paths for non-Rust deps
ce1fa07c Allow get_target_outputs() on generated_file() targets

Change-Id: I1d754f58447cd1ba689c26dd6fce911f35a99d29
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1661406
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Reviewed-by: Thomas Anderson <thomasanderson@chromium.org>
Commit-Queue: Brett Wilson <brettw@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#671820}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: c3b45ede505f69bd72caa8be1afeb4267a1ed642
1 file changed