Prepare for new variable to build Mojo network service from source

Prepare for new variable to build Mojo network service from source

https://codereview.chromium.org/939753003/ will change the name of the variable
used to build the network service from source. This CL prepares for that
change.

Committed: https://crrev.com/4ebbe7388d44ffd8d235b85efddfa13b09bd50ed
Cr-Commit-Position: refs/heads/master@{#317386}

[blundell, 2015-02-20 13:01:50]

blundell@chromium.org changed reviewers:
+ scottmg@chromium.org

[scottmg, 2015-02-20 16:10:05]

lgtm

[ShahrulSafwan90, 2015-02-20 16:30:02]

shahrulsafwan90@gmail.com changed reviewers:
+ ShahrulSafwan90@gmail.com

[ShahrulSafwan90, 2015-02-20 16:30:54]

On 2015/02/20 16:30:03, ShahrulSafwan90 wrote:

[blundell, 2015-02-20 19:14:42]

The CQ bit was checked by blundell@chromium.org

[commit-bot: I haz the power, 2015-02-20 19:15:13]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/944843002/1

[commit-bot: I haz the power, 2015-02-20 20:24:33]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-20 20:25:11]

Patchset 1 (id:??) landed as
https://crrev.com/4ebbe7388d44ffd8d235b85efddfa13b09bd50ed
Cr-Commit-Position: refs/heads/master@{#317386}