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

services/ui/ws/window_server_delegate.h

Index: services/ui/ws/window_server_delegate.h
diff --git a/services/ui/ws/window_server_delegate.h b/services/ui/ws/window_server_delegate.h
index 6588bec935eef63320cdf1d175b6eda811613e77..ea7233dfbb86341e4f53a32a38f77cca20c8c1e6 100644
--- a/services/ui/ws/window_server_delegate.h
+++ b/services/ui/ws/window_server_delegate.h
@@ -14,8 +14,14 @@
 #include "services/ui/common/types.h"
 #include "services/ui/public/interfaces/window_tree.mojom.h"
 
+namespace base {
+class SingleThreadTaskRunner;
+}
+
 namespace ui {
 
+class ImageCursors;
+
 namespace mojom {
 class WindowTree;
 }
@@ -59,6 +65,13 @@ class WindowServerDelegate {
   virtual void OnWillCreateTreeForWindowManager(
       bool automatically_create_display_roots) = 0;
 
+  // Returns a valid task runner which can be used to load resources.
+  virtual scoped_refptr<base::SingleThreadTaskRunner>& GetResourceRunner() = 0;
+
+  // The returned weak pointer can be used to manipulate the cursor, and should
+  // only be dereferenced on the task runner returned by GetResourceRunner().
+  virtual base::WeakPtr<ui::ImageCursors> GetImageCursorsWeakPtr() = 0;
+
  protected:
   virtual ~WindowServerDelegate() {}
 };