Mojo cpp bindings: add support for validating incoming messages.

mojo/public/tools/bindings/generators/cpp_templates/module.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 = "%s_H_"|
         format(module.path|upper|replace("/","_")|replace(".","_")) %}
 
 #ifndef {{header_guard}}
 #define {{header_guard}}
 
 #include "mojo/public/cpp/bindings/array.h"
 #include "mojo/public/cpp/bindings/callback.h"
 #include "mojo/public/cpp/bindings/interface_impl.h"
 #include "mojo/public/cpp/bindings/interface_ptr.h"
+#include "mojo/public/cpp/bindings/message_filter.h"
 #include "mojo/public/cpp/bindings/no_interface.h"
 #include "{{module.path}}-internal.h"
 {%- for import in imports %}
 #include "{{import.module.path}}.h"
 {%- endfor %}
 
 {%- for namespace in namespaces_as_array %}
 namespace {{namespace}} {
 {%- endfor %}
 
@@ skipping 21 matching lines @@
 {#--- Interface Proxies -#}
 {%  for interface in interfaces %}
 {%    include "interface_proxy_declaration.tmpl" %}
 {%- endfor %}
 
 {#--- Interface Stubs -#}
 {%  for interface in interfaces %}
 {%    include "interface_stub_declaration.tmpl" %}
 {%- endfor %}
 
+{#--- Interface Request Validators -#}
+{%  for interface in interfaces %}
+{%    include "interface_request_validator_declaration.tmpl" %}
+{%- endfor %}
+
+{#--- Interface Response Validators -#}
+{%  for interface in interfaces if interface|has_callbacks %}
+{%    include "interface_response_validator_declaration.tmpl" %}
+{%- endfor %}
+
 {%- for namespace in namespaces_as_array|reverse %}
 }  // namespace {{namespace}}
 {%- endfor %}
 
 {#--- Enum TypeTraits Specializations #}
 {%  if enums %}
 namespace mojo {
 namespace internal {
 {%    for enum in enums %}
 {%      include "enum_traits.tmpl" %}
 {%-   endfor %}
 }  // namespace internal
 }  // namespace mojo
 {%- endif %}
 
 #endif  // {{header_guard}}