Mojo: Simplify object serialization

mojo/public/bindings/generators/cpp_templates/module_internal.h.tmpl

 // Copyright 2013 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.
 
 {%- set header_guard = "MOJO_GENERATED_BINDINGS_%s_%s_INTERNAL_H_"|
         format(module_name|upper, module_name|upper) %}
 
 #ifndef {{header_guard}}
 #define {{header_guard}}
 
-#include "mojo/public/bindings/lib/bindings_serialization.h"
+#include "mojo/public/bindings/lib/bindings_internal.h"
 
 namespace {{namespace}} {
 
 {#--- Wrapper forward declarations #}
 {%  for struct in structs %}
 class {{struct.name}};
 {%- endfor %}
 
 namespace internal {
 
 #pragma pack(push, 1)
 
 {#--- Class declarations #}
 {%  for struct in structs %}
 {%    include "struct_declaration.tmpl" %}
 {%- endfor %}
 
 #pragma pack(pop)
 
 }  // namespace internal
 }  // namespace {{namespace}}
 
-namespace mojo {
-namespace internal {
-
-{#--- Serialization traits #}
-{%  for struct in structs %}
-{%    include "struct_serialization_traits.tmpl" %}
-{%- endfor %}
-
-}  // namespace internal
-}  // namespace mojo
-
 #endif  // {{header_guard}}