win: Add recipe to package Pro toolchain

win: Add recipe to package Pro toolchain

Previously https://codereview.chromium.org/284663003/, this was done
manually. This script attempts to automates that manual process.

R=iannucci@chromium.org
BUG=402543
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=288877

[iannucci, 2014-08-12 00:41:13]

swoot. lgtm!

[scottmg, 2014-08-12 02:42:43]

The CQ bit was checked by scottmg@chromium.org

[commit-bot: I haz the power, 2014-08-12 02:43:22]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/scottmg@chromium.org/462913002/1

[commit-bot: I haz the power, 2014-08-12 02:45:18]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2014-08-12 02:45:26]

Presubmit check for 462913002-1 failed and returned exit status 1.

Running presubmit commit checks ...
Checking out rietveld...
Running save-description-on-failure.sh
Running push-basic.sh
Running upstream.sh
Running submit-from-new-dir.sh
Running abandon.sh
Running submodule-merge-test.sh
Running upload-local-tracking-branch.sh
Running hooks.sh
Running post-dcommit-hook-test.sh
Running upload-stale.sh
Running patch.sh
Running basic.sh

** Presubmit ERRORS **
Pylint (101 files) (30.01s) failed
************* Module
/b/infra_internal/commit_queue/workdir/tools/depot_tools/win_toolchain/package_from_installed.py
F0401: 31,0: Unable to import 'toolchain2013'


Presubmit checks took 112.7s to calculate.

[scottmg, 2014-08-12 02:50:44]

The CQ bit was checked by scottmg@chromium.org

[commit-bot: I haz the power, 2014-08-12 02:51:30]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/scottmg@chromium.org/462913002/20001

[commit-bot: I haz the power, 2014-08-12 02:53:18]

Change committed as 288877