Move Mus into chrome's process when running with --mus.

services/ui/ws/threaded_image_cursors.h

Index: services/ui/ws/threaded_image_cursors.h
diff --git a/services/ui/ws/threaded_image_cursors.h b/services/ui/ws/threaded_image_cursors.h
new file mode 100644
index 0000000000000000000000000000000000000000..f8ead1ccc9b3b81c10fc12eb68be549948427dae
--- /dev/null
+++ b/services/ui/ws/threaded_image_cursors.h
@@ -0,0 +1,48 @@
+// Copyright 2017 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.
+
+#ifndef SERVICES_UI_WS_THREADED_IMAGE_CURSORS_H_
+#define SERVICES_UI_WS_THREADED_IMAGE_CURSORS_H_
+
+#include "base/memory/weak_ptr.h"
+#include "ui/base/cursor/image_cursors.h"
+
+namespace base {
+class SingleThreadTaskRunner;
+}
+
+namespace ui {
+class PlatformWindow;
+
+namespace ws {
+
+// Wrapper around ui::ImageCursors, capable of executing its methods
+// asynchronously via the provided thread task runner.
+class ThreadedImageCursors {
+ public:
+  ThreadedImageCursors(

[sky, 2017/06/20 22:33:13]

explicit.

[mfomitchev, 2017/06/21 21:22:51]

Takes two args now.

+      scoped_refptr<base::SingleThreadTaskRunner>& task_runner);
+  ~ThreadedImageCursors();
+
+  void SetDisplay(const display::Display& display, float scale_factor);
+
+  // |platform_window| pointer is guaranteed to be alive while this object
+  // exists.
+  void SetCursor(ui::CursorType cursor_type,
+                 ui::PlatformWindow* platform_window);
+
+ private:
+  void SetDisplaySync(const display::Display& display, float scale_factor);
+  void SetCursorSync(ui::CursorType cursor_type,
+                     ui::PlatformWindow* platform_window);
+
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
+  ui::ImageCursors image_cursors_;
+  base::WeakPtrFactory<ThreadedImageCursors> weak_ptr_factory_;
+};

[sky, 2017/06/20 22:33:13]

DISALLOW...

[mfomitchev, 2017/06/21 21:22:51]

Done.

+
+}  // namesapce ws
+}  // namesapce ui
+
+#endif  // SERVICES_UI_WS_THREADED_IMAGE_CURSORS_H_