Scripts to upload and update the mac toolchain.

build/gyp_chromium.py

Index: build/gyp_chromium.py
diff --git a/build/gyp_chromium.py b/build/gyp_chromium.py
index 15fa3f6c99efd31a8386b719e51ad18741c06f9b..15bf47a26209718ee8b7e4e15f8fe5f4db734bd9 100644
--- a/build/gyp_chromium.py
+++ b/build/gyp_chromium.py
@@ -10,6 +10,7 @@ import argparse
 import gc
 import glob
 import gyp_environment
+import mac_toolchain
 import os
 import re
 import shlex
@@ -322,6 +323,7 @@ def main():
   # Off we go...
   gyp_rc = gyp.main(args)
 
+  mac_toolchain.SetEnvironment()

[Nico, 2016/03/22 20:59:05]

Would it be possible to pass explicit flags to gyp for what you need instead of
going through the env here?

[justincohen, 2016/03/23 17:12:44]

I could add something to args, but then will args be accessible in all the
places necessary in https://codereview.chromium.org/1806733002/, the gyp side of
this CL?

   if not use_analyzer:
     vs2013_runtime_dll_dirs = vs_toolchain.SetEnvironmentAndGetRuntimeDllDirs()
     if vs2013_runtime_dll_dirs: