Make dbus-based wifi data provider optional on linux

Make dbus-based wifi data provider optional on linux

The linux wifi data provider adds an external dependency on libdbus.
This prevents building content_browser on linux systems that don't
include it (particularly embedded ones such as chromecast).

Introduce use_dbus gyp variable and remove this dependency when
use_dbus==0.

BUG=318315, 318413
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=234894

[jam, 2013-11-12 21:07:40]

can you explain the motivation more? is there an actual product that needs this?

[spang, 2013-11-12 22:06:29]

On 2013/11/12 21:07:40, jam wrote:
> can you explain the motivation more? is there an actual product that needs
this?

We are building a version of content_shell that will be used on Chromecast. Some
of chrome's library dependencies are not available on the chromecast system.

[jam, 2013-11-13 00:05:42]

lgtm, thanks for creating the bug

https://codereview.chromium.org/59323007/diff/1/build/common.gypi
File build/common.gypi (right):

https://codereview.chromium.org/59323007/diff/1/build/common.gypi#newcode824
build/common.gypi:824: 'use_dbus%': '<(use_dbus)',
nit: order

[commit-bot: I haz the power, 2013-11-13 02:02:13]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/spang@chromium.org/59323007/100001

[commit-bot: I haz the power, 2013-11-13 06:05:58]

Retried try job too often on win_rel for step(s) browser_tests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win_rel&nu...

[commit-bot: I haz the power, 2013-11-13 15:32:33]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/spang@chromium.org/59323007/100001

[commit-bot: I haz the power, 2013-11-13 16:34:26]

Sorry for I got bad news for ya.
Compile failed with a clobber build on win_rel.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win_rel&nu...
Your code is likely broken or HEAD is junk. Please ensure your
code is not broken then alert the build sheriffs.
Look at the try server FAQ for more details.

[commit-bot: I haz the power, 2013-11-13 16:36:07]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/spang@chromium.org/59323007/100001

[commit-bot: I haz the power, 2013-11-13 20:44:54]

Change committed as 234894