Allow layers to signal that additional sequences are needed before surface destruction

ui/compositor/layer.h

Index: ui/compositor/layer.h
diff --git a/ui/compositor/layer.h b/ui/compositor/layer.h
index 5d7d3ec23349e872fbdfcf6a89fe0feed41e32f6..3048355725f623ef51cda8d228b1b28af577cdbc 100644
--- a/ui/compositor/layer.h
+++ b/ui/compositor/layer.h
@@ -17,6 +17,7 @@
 #include "cc/base/scoped_ptr_vector.h"
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/layer_client.h"
+#include "cc/layers/surface_layer.h"
 #include "cc/layers/texture_layer_client.h"
 #include "cc/resources/texture_mailbox.h"
 #include "cc/surfaces/surface_id.h"
@@ -279,7 +280,10 @@ class COMPOSITOR_EXPORT Layer
                                gfx::Size frame_size_in_dip);
 
   // Begins showing content from a surface with a particular id.
-  void SetShowSurface(cc::SurfaceId id, gfx::Size frame_size_in_dip);
+  void SetShowSurface(cc::SurfaceId surface_id,
+                      const cc::SurfaceLayer::SatisfyCallback& satisfy_callback,
+                      const cc::SurfaceLayer::RequireCallback& require_callback,
+                      gfx::Size frame_size_in_dip);
 
   bool has_external_content() {
     return texture_layer_.get() || delegated_renderer_layer_.get() ||