Mojo C++ bindings templates: use the same templates for user-defined structs and method params.

mojo/public/tools/bindings/generators/cpp_templates/module.cc.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.
 
 #if defined(__clang__)
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wunused-private-field"
 #elif defined(_MSC_VER)
 #pragma warning(push)
 #pragma warning(disable:4056)
@@ skipping 29 matching lines @@
 namespace {
 
 #pragma pack(push, 1)
 
 {#--- Interface parameter definitions #}
 {%- for interface in interfaces %}
 {%-   for method in interface.methods %}
 {%-     set method_name = "k%s_%s_Name"|format(interface.name, method.name) %}
 const uint32_t {{method_name}} = {{method.ordinal}};
 {%      set struct = method|struct_from_method %}
-{%-     include "params_definition.tmpl" %}
+{%      include "struct_declaration.tmpl" %}
+{%-     include "struct_definition.tmpl" %}
 {%-     if method.response_parameters != None %}
 {%-       set struct = method|response_struct_from_method %}
-{%-       include "params_definition.tmpl" %}
+{%        include "struct_declaration.tmpl" %}
+{%-       include "struct_definition.tmpl" %}
 {%-     endif %}
 {%-   endfor %}
 {%- endfor %}
 
 #pragma pack(pop)
 
 }  // namespace
 
 {#--- Struct definitions #}
 {%  for struct in structs %}
@@ skipping 41 matching lines @@
 
 {%- for namespace in namespaces_as_array|reverse %}
 }  // namespace {{namespace}}
 {%- endfor %}
 
 #if defined(__clang__)
 #pragma clang diagnostic pop
 #elif defined(_MSC_VER)
 #pragma warning(pop)
 #endif