ninja: Don't assume that depot_tools is in PATH.

ninja: Don't assume that depot_tools is in PATH.

TEST=`~/src/depot_tools/ninja --version` works when depot_tools isn't in PATH

Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=165510

[scottmg, 2012-11-01 21:42:34]

lgtm

[commit-bot: I haz the power, 2012-11-01 21:43:56]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/thakis@chromium.org/11366044/1

[commit-bot: I haz the power, 2012-11-01 21:46:06]

Presubmit check for 11366044-1 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 **
Missing LGTM from an OWNER for files in these directories:
    depot_tools

Presubmit checks took 128.2s to calculate.

[nsylvain, 2012-11-01 21:47:58]

lgtm

[commit-bot: I haz the power, 2012-11-01 21:48:19]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/thakis@chromium.org/11366044/1

[commit-bot: I haz the power, 2012-11-01 21:50:27]

Change committed as 165510