[PATCH v2 11/11] win32u: Move is_window_drawable implementation from user32.

[Jacek Caban]

Signed-off-by: Jacek Caban <jacek(a)codeweavers.com>
---
  dlls/user32/win.c    | 90 +-------------------------------------------
  dlls/win32u/window.c | 32 ++++++++++++++++
  include/ntuser.h     |  2 +
  3 files changed, 36 insertions(+), 88 deletions(-)