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

services/ui/ws/platform_display.h

Index: services/ui/ws/platform_display.h
diff --git a/services/ui/ws/platform_display.h b/services/ui/ws/platform_display.h
index a33f6383cc5b9bb11796485f334ac9c730d74de6..7daf169071879981d15fb1b2445774887e4ac903 100644
--- a/services/ui/ws/platform_display.h
+++ b/services/ui/ws/platform_display.h
@@ -16,6 +16,10 @@
 #include "ui/events/event_source.h"
 #include "ui/gfx/native_widget_types.h"
 
+namespace base {
+class SingleThreadTaskRunner;
+}
+
 namespace ui {
 
 struct TextInputState;
@@ -34,7 +38,8 @@ class PlatformDisplay : public ui::EventSource {
 
   static std::unique_ptr<PlatformDisplay> Create(
       ServerWindow* root_window,
-      const display::ViewportMetrics& metrics);
+      const display::ViewportMetrics& metrics,
+      scoped_refptr<base::SingleThreadTaskRunner>& resource_runner);
 
   virtual void Init(PlatformDisplayDelegate* delegate) = 0;