tools/gn: add python shebang directive to roll_gn script

tools/gn: add python shebang directive to roll_gn script

This way we can execute it from the command line like the following:

$ ./tools/gn/bin/roll_gn.py

Otherwise, on Linux you have to call python directly, like:

$ python ./tools/gn/bin/roll_gn.py

BUG=None
TEST=see above
R=dpranke@chromium.org
TBR=brettw@chromium.org

Committed: https://crrev.com/f7bc7c2c72c0d7f9bdb327154845b5baaf9ca72a
Cr-Commit-Position: refs/heads/master@{#360620}

[tfarina, 2015-11-19 17:13:02]

Description was changed from

==========
tools/gn: add python shebang diretory to roll_gn script

This way we can execute it from the command line like the following:

$ ./tools/gn/bin/roll_gn.py

Otherwise, on Linux you have to call python directly, like:

$ python ./tools/gn/bin/roll_gn.py

BUG=None
TEST=see above
R=dpranke@chromium.org
==========

to

==========
tools/gn: add python shebang directive to roll_gn script

This way we can execute it from the command line like the following:

$ ./tools/gn/bin/roll_gn.py

Otherwise, on Linux you have to call python directly, like:

$ python ./tools/gn/bin/roll_gn.py

BUG=None
TEST=see above
R=dpranke@chromium.org
==========

[Dirk Pranke, 2015-11-19 17:17:47]

lgtm, but you need to make the file executable as well.

[tfarina, 2015-11-19 17:27:23]

Done.

[tfarina, 2015-11-19 17:27:27]

The CQ bit was checked by tfarina@chromium.org

[tfarina, 2015-11-19 17:27:28]

The patchset sent to the CQ was uploaded after l-g-t-m from dpranke@chromium.org
Link to the patchset: https://codereview.chromium.org/1458603010/#ps20001
(title: "set it executable - git update-index --chmod=+x tools/gn/bin/roll_gn.py
- git diff --cached")

[commit-bot: I haz the power, 2015-11-19 17:27:51]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1458603010/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1458603010/20001

[commit-bot: I haz the power, 2015-11-19 17:39:34]

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

[commit-bot: I haz the power, 2015-11-19 17:39:35]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[tfarina, 2015-11-19 17:41:08]

Description was changed from

==========
tools/gn: add python shebang directive to roll_gn script

This way we can execute it from the command line like the following:

$ ./tools/gn/bin/roll_gn.py

Otherwise, on Linux you have to call python directly, like:

$ python ./tools/gn/bin/roll_gn.py

BUG=None
TEST=see above
R=dpranke@chromium.org
==========

to

==========
tools/gn: add python shebang directive to roll_gn script

This way we can execute it from the command line like the following:

$ ./tools/gn/bin/roll_gn.py

Otherwise, on Linux you have to call python directly, like:

$ python ./tools/gn/bin/roll_gn.py

BUG=None
TEST=see above
R=dpranke@chromium.org
TBR=brettw@chromium.org
==========

[tfarina, 2015-11-19 17:41:14]

The CQ bit was checked by tfarina@chromium.org

[commit-bot: I haz the power, 2015-11-19 17:42:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1458603010/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1458603010/20001

[commit-bot: I haz the power, 2015-11-19 17:48:57]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-11-19 17:50:22]

Patchset 2 (id:??) landed as
https://crrev.com/f7bc7c2c72c0d7f9bdb327154845b5baaf9ca72a
Cr-Commit-Position: refs/heads/master@{#360620}