Revert r144460 "Remove the linux-only CR_SOURCE_ROOT environment variable override of base::DIR_SOU…

Revert r144460 "Remove the linux-only CR_SOURCE_ROOT environment variable override of base::DIR_SOURCE_ROOT."

CR_SOURCE_ROOT is used in practice by linux user(s), plural still to be
determined, mostly for ChromeOS related development.

R=willchan@chromium.org
BUG=
TEST=


Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=148621

[M-A Ruel, 2012-07-20 14:22:35]

It's been a few months I told Antoine I'd revert the CL but I dragged my feet,
sorry about that.

Here it is.

[M-A Ruel, 2012-07-26 13:18:21]

On 2012/07/20 14:22:35, Marc-Antoine Ruel wrote:
> It's been a few months I told Antoine I'd revert the CL but I dragged my feet,
> sorry about that.
> 
> Here it is.

It's more for Antoine than anything else.

[piman, 2012-07-26 17:07:55]

LGTM, thanks. I wonder if there could be a way through the build system to pass
in a string that maps back to the source (i.e. ../.. is encoded in the gyp
generator somewhere, it's a matter of passing that)

[commit-bot: I haz the power, 2012-07-26 18:05:21]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/maruel@chromium.org/10808048/2001

[commit-bot: I haz the power, 2012-07-26 18:05:26]

Presubmit check for 10808048-2001 failed and returned exit status 1.

Running presubmit commit checks ...

** Presubmit Messages **
If this change has an associated bug, add BUG=[bug number].

If this change requires manual test instructions to QA team, add
TEST=[instructions].

** Presubmit ERRORS **
Missing LGTM from an OWNER for files in these directories:
    base

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[willchan no longer on Chromium, 2012-07-26 18:30:56]

lgtm

[commit-bot: I haz the power, 2012-07-26 18:32:11]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/maruel@chromium.org/10808048/2001

[commit-bot: I haz the power, 2012-07-26 20:53:57]

Change committed as 148621