Revert of Moving coordinate conversion methods from ash/wm to ui/wm.

Revert of Moving coordinate conversion methods from ash/wm to ui/wm. (https://codereview.chromium.org/425363002/)

Reason for revert:
Build break.

../../ash/display/mouse_cursor_event_filter_ozone.cc:21:7:error: no member named 'ConvertPointToScreen' in namespace 'ash::wm'
  wm::ConvertPointToScreen(target, &point_in_screen);
  ~~~~^
../../ash/display/mouse_cursor_event_filter_ozone.cc:45:7:error: no member named 'ConvertPointFromScreen' in namespace 'ash::wm'
  wm::ConvertPointFromScreen(root_at_point, &point_in_root);
  ~~~~^
../../ash/display/mouse_cursor_event_filter_ozone.cc:86:7:error: no member named 'ConvertPointFromScreen' in namespace 'ash::wm'
  wm::ConvertPointFromScreen(dst_root, &point_in_dst_screen);
  ~~~~^


Original issue's description:
> Moving coordinate conversion methods from ash/wm to ui/wm.
> 
> Moving ConvertPointToScreen and ConvertPointFromScreen from ash::wm into
> aura::Window. The suggestion to do this was made here:
> https://codereview.chromium.org/420603011/diff/1/athena/wm/coordinate_conversion.h
> 
> BUG=NONE
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=287609

TBR=oshima@chromium.org,ben@chromium.org,sky@chromium.org,mfomitchev@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=NONE

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=287626

[robliao, 2014-08-05 22:44:19]

Created Revert of Moving coordinate conversion methods from ash/wm to ui/wm.

[robliao, 2014-08-05 22:46:31]

The CQ bit was checked by robliao@chromium.org

[commit-bot: I haz the power, 2014-08-05 22:46:53]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/robliao@chromium.org/445703005/1

[commit-bot: I haz the power, 2014-08-05 22:49:35]

Change committed as 287626

[mfomitchev, 2014-08-05 23:23:42]

So trybots don't catch ozone compile errors?
I have fixed this particular error, but how can I ensure that there are no other
errors like this?
Thanks!

[robliao, 2014-08-05 23:38:25]

On 2014/08/05 23:23:42, mfomitchev wrote:
> So trybots don't catch ozone compile errors?
> I have fixed this particular error, but how can I ensure that there are no
other
> errors like this?
> Thanks!

The CQ might not by default, but maybe these trybots will help:
linux_chromium_chromeos_ozone_dbg and linux_chromium_chromeos_ozone_rel