test_runner: Move three Mock* files into content namespace.

test_runner: Move three Mock* files into content namespace.

BUG=331299
TEST=None, no functional changes. Green trybots to make sure content_shell,
content_unittests, content_browsertests still link.
TBR=jochen@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=266839

[tfarina, 2014-04-29 04:37:21]

TBRing...

My plan is to get everything into content namespace, then fix the file names,
then we can reformat them to the chromium style.

[tfarina, 2014-04-29 04:37:26]

The CQ bit was checked by tfarina@chromium.org

[commit-bot: I haz the power, 2014-04-29 04:38:09]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/tfarina@chromium.org/251263002/1

[tfarina, 2014-04-29 04:38:17]

I noticed you commented about the "using namespace ...".

This will go away in the end of this series, I promise.

[commit-bot: I haz the power, 2014-04-29 11:07:26]

Change committed as 266839