Force use of and cache render surface.

cc/ipc/render_pass_struct_traits.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_IPC_RENDER_PASS_STRUCT_TRAITS_H_
 #define CC_IPC_RENDER_PASS_STRUCT_TRAITS_H_
 
 #include "base/logging.h"
 #include "cc/ipc/quads_struct_traits.h"
 #include "cc/ipc/render_pass.mojom-shared.h"
@@ skipping 39 matching lines @@
   static const gfx::ColorSpace& color_space(
       const std::unique_ptr<cc::RenderPass>& input) {
     return input->color_space;
   }
 
   static bool has_transparent_background(
       const std::unique_ptr<cc::RenderPass>& input) {
     return input->has_transparent_background;
   }
 
+  static bool cache_render_pass(const std::unique_ptr<cc::RenderPass>& input) {
+    return input->cache_render_pass;
+  }
+
+  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;
   }
 
   static bool Read(cc::mojom::RenderPassDataView data,
                    std::unique_ptr<cc::RenderPass>* out);
 };
 
 }  // namespace mojo
 
 #endif  // CC_IPC_RENDER_PASS_STRUCT_TRAITS_H_