[PATCH 09/10] win32u: Move SendMessageCallbackW implementation from user32.

[Jacek Caban]

Signed-off-by: Jacek Caban 
---
  dlls/user32/message.c      | 20 ++------------------
  dlls/win32u/message.c      | 27 +++++++++++++++++++++++++++
  dlls/win32u/tests/win32u.c |  1 -
  3 files changed, 29 insertions(+), 19 deletions(-)