fix libgio-2.0 deps in browser_ui

fix libgio-2.0 deps in browser_ui

browser_desktop_root_window_host_x11.cc uses g_dbus_proxy_call which
is provided by libgio-2.0, so we should depend on the gio target too.

BUG=265560
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=287981

[Mostyn Bramley-Moore, 2014-08-02 21:27:17]

@Elliot, sky: please take a look at this small fixup, related to
https://chromiumcodereview.appspot.com/22455002

[Mostyn Bramley-Moore, 2014-08-02 21:44:49]

Hmm, wait- there's a gio target that should be used instead (fixed in patch set
2).

[Elliot Glaysher, 2014-08-05 17:57:12]

lgtm

[Mostyn Bramley-Moore, 2014-08-06 20:48:30]

@sky: *ping* for OWNERS approval

[sky, 2014-08-06 21:23:24]

LGTM

[Mostyn Bramley-Moore, 2014-08-06 21:32:31]

The CQ bit was checked by mostynb@opera.com

[commit-bot: I haz the power, 2014-08-06 21:34:08]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/mostynb@opera.com/439613002/20001

[commit-bot: I haz the power, 2014-08-07 03:06:21]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  win_chromium_rel on tryserver.chromium.win
(http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel/...)

[commit-bot: I haz the power, 2014-08-07 07:16:52]

Change committed as 287981