DEPS.xwalk: Roll chromium-crosswalk (ddec722 -> b83e11e).

b83e11e Merge pull request #141 from rakuco/oz-wl-patch
1e69b19 [Temp] Add support to provide external ozone files in views.
340e823 Merge pull request #139 from nagineni/resource_aware
5d93013 [TIZEN] Tag the audio stream as "browser" in pulseaudio.