WIP: Surface Synchronization System

ui/aura/mus/in_flight_change.h

Index: ui/aura/mus/in_flight_change.h
diff --git a/ui/aura/mus/in_flight_change.h b/ui/aura/mus/in_flight_change.h
index 6a8b6d4fa88822da665a64156f066152b4c37f92..1afa22ea2c31b6ee4b9c6a5db6d9a4a813bf204c 100644
--- a/ui/aura/mus/in_flight_change.h
+++ b/ui/aura/mus/in_flight_change.h
@@ -13,6 +13,7 @@
 
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
+#include "cc/surfaces/local_frame_id.h"
 #include "ui/aura/window_observer.h"
 #include "ui/gfx/geometry/rect.h"
 
@@ -140,7 +141,8 @@ class InFlightBoundsChange : public InFlightChange {
  public:
   InFlightBoundsChange(WindowTreeClient* window_tree_client,
                        WindowMus* window,
-                       const gfx::Rect& revert_bounds);
+                       const gfx::Rect& revert_bounds,
+                       const cc::LocalFrameId& local_frame_id);
 
   // InFlightChange:
   void SetRevertValueFrom(const InFlightChange& change) override;
@@ -149,6 +151,7 @@ class InFlightBoundsChange : public InFlightChange {
  private:
   WindowTreeClient* window_tree_client_;
   gfx::Rect revert_bounds_;
+  cc::LocalFrameId revert_local_frame_id_;
 
   DISALLOW_COPY_AND_ASSIGN(InFlightBoundsChange);
 };