Force use of and cache render surface.

cc/ipc/render_pass_struct_traits.h

Index: cc/ipc/render_pass_struct_traits.h
diff --git a/cc/ipc/render_pass_struct_traits.h b/cc/ipc/render_pass_struct_traits.h
index b98f4bf23a6b00be479a4969f067260b17d6cdc4..bddebca2011ad04a7788216c2224e326ac31c423 100644
--- a/cc/ipc/render_pass_struct_traits.h
+++ b/cc/ipc/render_pass_struct_traits.h
@@ -57,6 +57,16 @@ struct StructTraits<cc::mojom::RenderPassDataView,
     return input->has_transparent_background;
   }
 
+  static bool cache_render_surface(
+      const std::unique_ptr<cc::RenderPass>& input) {
+    return input->cache_render_surface;
+  }
+
+  static bool has_damage_from_contributing_content(
+      const std::unique_ptr<cc::RenderPass>& input) {
+    return input->has_damage_from_contributing_content;
+  }
+
   static const cc::QuadList& quad_list(
       const std::unique_ptr<cc::RenderPass>& input) {
     return input->quad_list;