Mojo typemap config: support "copyable_pass_by_value" attribute.

mojo/public/cpp/bindings/tests/struct_with_traits_impl_traits.cc

 // 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.
 
 #include "mojo/public/cpp/bindings/tests/struct_with_traits_impl_traits.h"
 
 namespace mojo {
 namespace {
 
 struct Context {
@@ skipping 98 matching lines @@
   if (!data.ReadFStructArray(&out->get_mutable_struct_array()))
     return false;
 
   if (!data.ReadFStructMap(&out->get_mutable_struct_map()))
     return false;
 
   return true;
 }
 
 // static
-bool StructTraits<test::PassByValueStructWithTraits,
-                  test::PassByValueStructWithTraitsImpl>::
-    Read(test::PassByValueStructWithTraits::DataView data,
-         test::PassByValueStructWithTraitsImpl* out) {
+bool StructTraits<test::MoveOnlyStructWithTraits,
+                  test::MoveOnlyStructWithTraitsImpl>::
+    Read(test::MoveOnlyStructWithTraits::DataView data,
+         test::MoveOnlyStructWithTraitsImpl* out) {
   out->get_mutable_handle() = data.TakeFHandle();
   return true;
 }
 
 }  // namespace mojo