Revert of MacViews: Better layering for the touch selection controller

Revert of MacViews: Better layering for the touch selection controller (https://codereview.chromium.org/248763003/)

Reason for revert:
Failed to compile on ChromiumOS Linux:

./../ui/views/touchui/touch_selection_controller_impl_unittest.cc:20:57: fatal error: ui/views/touch_selection_controller_factory.h: No such file or directory
compilation terminated.

See http://build.chromium.org/p/chromium.chromiumos/builders/Linux%20ChromiumOS%20Builder/builds/2921.

Original issue's description:
> MacViews: Better layering for the touch selection controller
> 
> This CL moves ViewsTouchSelectionControllerFactory out of
> views/touchui/touch_selection_controller_impl.cc and into its own file
> one level higher.
> 
> Result: the single touchui dependency moves from views_delegate.cc to a
> file that can be controlled on a per-platform basis. The touchui
> subfolder assumes aura is available. This allows touchui to be excluded
> from a build that doesn't need it.
> 
> BUG=366007
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=265814

TBR=ben@chromium.org,tapted@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=366007

[Vadim Sh., 2014-04-24 01:58:05]

Created Revert of MacViews: Better layering for the touch selection controller

[Vadim Sh., 2014-04-24 02:08:23]

The CQ bit was unchecked by vadimsh@chromium.org

[Vadim Sh., 2014-04-24 02:08:41]

On 2014/04/24 01:58:05, Vadim Sh. wrote:
> Created Revert of MacViews: Better layering for the touch selection controller

CQ is not picking this up for some reason. I'll use drover instead.