Check variable PRODUCT_DIR firstly for content shell test

Check variable PRODUCT_DIR firstly for content shell test

Simple fix like other build files

BUG=
TEST=


Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=148942

[yongsheng, 2012-07-26 09:15:56]

trivial fix. please have a check.

[cjhopman, 2012-07-26 17:34:18]

lgtm

[commit-bot: I haz the power, 2012-07-27 00:20:02]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer or
a lowly provisional committer, _not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[yongsheng, 2012-07-27 00:21:10]

yaron, could you please help review it? Thanks.

[Yaron, 2012-07-27 17:49:21]

lgtm

[commit-bot: I haz the power, 2012-07-27 17:50:08]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/yongsheng.zhu@intel.com/10825033/1

[commit-bot: I haz the power, 2012-07-27 19:21:49]

Try job failure for 10825033-1 (previous was lost) on linux_chromeos for step
"update".
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_chro...

Step "update" is always a major failure.
Look at the try server FAQ for more details.

[commit-bot: I haz the power, 2012-07-29 13:08:24]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/yongsheng.zhu@intel.com/10825033/1

[commit-bot: I haz the power, 2012-07-29 15:51:50]

Try job failure for 10825033-1 (retry) on win_rel for step "browser_tests".
It's a second try, previously, step "browser_tests" failed.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win_rel&nu...

[commit-bot: I haz the power, 2012-07-30 12:04:57]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/yongsheng.zhu@intel.com/10825033/1

[commit-bot: I haz the power, 2012-07-30 13:05:09]

Change committed as 148942