Add more URL to the whitelist in source_index.py

Add more URL to the whitelist in source_index.py

Context: https://groups.google.com/a/chromium.org/forum/?fromgroups=#!topic/chromium-dev/1aTQc4fd-rk

BUG=

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=192658

[Sébastien Marchand, 2013-04-05 15:09:52]

PTAL. I'm not sure you're the one that can give me a green light for this CL,
but I wanted to make sure I'm not doing anything silly :)

[laforge, 2013-04-05 15:23:15]

On 2013/04/05 15:09:52, Sébastien Marchand wrote:
> PTAL. I'm not sure you're the one that can give me a green light for this CL,
> but I wanted to make sure I'm not doing anything silly :)

LGTM (please hold for confirmation from MA)

[M-A Ruel, 2013-04-05 15:37:48]

rubbertstamp lgtm

[commit-bot: I haz the power, 2013-04-05 15:43:52]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/sebmarchand@chromium.org/13529016/2001

[commit-bot: I haz the power, 2013-04-06 00:04:30]

Change committed as 192658