tree 2ef0d309c52368ae131f7f1d183a18f8a08a09d7
parent 2b7d3ed286d03877e910d76dafe0e4668c5cc971
author brettw@chromium.org <brettw@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> 1403544632 +0000
committer brettw@chromium.org <brettw@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> 1403544632 +0000

Make gn wrapper use the one in buildtools rather than tools/gn/bin.

This updates some infrastructure to make it easy to get at the platform-specific build tools directories.

Review URL: https://codereview.chromium.org/341533006

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@279132 0039d316-1c4b-4281-b951-d872f2087c98