Add --open option to git cl issue.

Add git cl web command to open the current issue in the web browser.

R=maruel@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=238220

[M-A Ruel, 2013-11-27 20:20:02]

why not a new command "web" instead?

[Lei Zhang, 2013-11-27 21:59:20]

On 2013/11/27 20:20:02, M-A Ruel wrote:
> why not a new command "web" instead?

If you think it should get more exposure, sure. See patch set 2.

[M-A Ruel, 2013-12-02 21:57:57]

https://codereview.chromium.org/92533002/diff/20001/git_cl.py
File git_cl.py (right):

https://codereview.chromium.org/92533002/diff/20001/git_cl.py#newcode2156
git_cl.py:2156: return 0
Remove this line since it's not needed, parser.error calls sys.exit(2)

[Lei Zhang, 2013-12-02 22:00:34]

https://codereview.chromium.org/92533002/diff/20001/git_cl.py
File git_cl.py (right):

https://codereview.chromium.org/92533002/diff/20001/git_cl.py#newcode2156
git_cl.py:2156: return 0
On 2013/12/02 21:57:57, M-A Ruel wrote:
> Remove this line since it's not needed, parser.error calls sys.exit(2)

Done. I also fixed all the other instances, including the one I copy+pasted
from.

[M-A Ruel, 2013-12-02 22:02:02]

lgtm, sorry for the delays. Feel free to ping after 12h.

[Lei Zhang, 2013-12-02 23:08:05]

Committed patchset #3 manually as r238220.