Add support for finding depot_tools' MSVC toolchain on the bots.
- Pull in a trimmed down version of vs_toolchain.py from Chromium.
- Drop in toolchain_vs2013.hash from Chromium to use Chromium's
- Add a very hacky vs_env.py to pull in Visual Studio. This is
loosely based off a handful of lines of Chromium's
tools/clang/scripts/update.py. This (and vs_toolchain.py) depends
on gyp which is now pulled in via DEPS.
Reviewed-by: Adam Langley <firstname.lastname@example.org>
4 files changed