GN: Fix bootstrap call to setup_toolchain

The parameters to setup_toolchain changed, adding an OS parameter and a
filename for the environment file.

Additional fixes:
- Add missing base file to list of files
- vs_toolchain should output Windows paths properly escaped

Change-Id: I0e05bf34c8b603f16b901e76164e480121ed9d14
Reviewed-on: https://chromium-review.googlesource.com/1013926
Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Yngve Pettersen <yngve@vivaldi.com>
Cr-Original-Commit-Position: refs/heads/master@{#551341}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 95fe44b3c31cf5e1a668d9ef8853aaf2cf9523a5
1 file changed
tree: 07bccf205f6f9a1f0a14b633ab1c266705585ba7
  1. tools/