mash: Port KeyboardUIMus to mojo:ash; remove sysui.

ash/host/ash_window_tree_host_init_params.cc

Index: ash/host/ash_window_tree_host_init_params.cc
diff --git a/ash/host/ash_window_tree_host_init_params.cc b/ash/host/ash_window_tree_host_init_params.cc
deleted file mode 100644
index 3e358577fc28290c32ef4232ceb098c4188f9be9..0000000000000000000000000000000000000000
--- a/ash/host/ash_window_tree_host_init_params.cc
+++ /dev/null
@@ -1,20 +0,0 @@
-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ash/host/ash_window_tree_host_init_params.h"
-
-namespace ash {
-
-AshWindowTreeHostInitParams::AshWindowTreeHostInitParams()
-    : offscreen(false)
-#if defined(OS_WIN)
-      ,
-      remote_hwnd(NULL)
-#endif
-{
-}
-
-AshWindowTreeHostInitParams::~AshWindowTreeHostInitParams() {}
-
-}  // namespace ash