Mojom structs for copy requests / results should map to unique_ptr

cc/ipc/BUILD.gn

 # 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.
 
 import("//build/config/ui.gni")
 import("//cc/cc.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 cc_component("ipc") {
   output_name = "cc_ipc"
@@ skipping 86 matching lines @@
   ]
 }
 
 cc_source_set("struct_traits") {
   sources = [
     "begin_frame_args_struct_traits.h",
     "compositor_frame_metadata_struct_traits.cc",
     "compositor_frame_metadata_struct_traits.h",
     "compositor_frame_struct_traits.cc",
     "compositor_frame_struct_traits.h",
+    "copy_output_request_struct_traits.cc",
+    "copy_output_request_struct_traits.h",
     "copy_output_result_struct_traits.cc",
     "copy_output_result_struct_traits.h",
     "filter_operation_struct_traits.h",
     "filter_operations_struct_traits.h",
     "frame_sink_id_struct_traits.h",
     "local_surface_id_struct_traits.h",
     "quads_struct_traits.cc",
     "quads_struct_traits.h",
     "render_pass_struct_traits.cc",
     "render_pass_struct_traits.h",
@@ skipping 18 matching lines @@
     "//skia/public/interfaces:struct_traits",
     "//ui/events:events_base",
     "//ui/events/mojo:struct_traits",
     "//ui/gfx",
     "//ui/gfx:selection_bound",
     "//ui/gfx/geometry/mojo:struct_traits",
     "//ui/gfx/mojo:mojo",
     "//ui/gfx/mojo:struct_traits",
   ]
 }