Add support for enums within structs and interfaces to mojom.

mojo/public/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 = "MOJO_GENERATED_BINDINGS_%s_%s_H_"|
         format(module_name|upper, module_name|upper) %}
 
 #ifndef {{header_guard}}
 #define {{header_guard}}
 
 #include "mojo/public/bindings/lib/bindings.h"
 #include "mojo/public/bindings/lib/message.h"
 #include "./{{module_name|camel_to_underscores}}_internal.h"
 
 namespace {{namespace}} {
 
 {#--- Enums #}
-{%- for enum in enums %}
-
-enum {{enum.name}} {
-{%-   for field in enum.fields %}
-{%-      if field.value %}
-  {{field.name}} = {{field.value}},
-{%-      else %}
-  {{field.name}},
-{%-      endif %}
-{%-   endfor %}
-};
+{%  for enum in enums %}
+{%    include "enum_declaration.tmpl" %}
 {%- endfor %}
 
 {#--- Structs #}
 {%  for struct in structs %}
-{%    include "wrapper_class_declaration.tmpl" -%}
+{%    include "wrapper_class_declaration.tmpl" %}
 {%- endfor %}
 
 {#--- Interfaces -#}
 {%  for interface in interfaces %}
-{%    include "interface_declaration.tmpl" -%}
+{%    include "interface_declaration.tmpl" %}
 {%- endfor %}
 
 {#--- Interface Proxies -#}
 {%  for interface in interfaces %}
-{%    include "interface_proxy_declaration.tmpl" -%}
+{%    include "interface_proxy_declaration.tmpl" %}
 {%- endfor %}
 
 {#--- Interface Stubs -#}
 {%  for interface in interfaces %}
-{%    include "interface_stub_declaration.tmpl" -%}
+{%    include "interface_stub_declaration.tmpl" %}
 {%- endfor %}
 
 }  // namespace {{namespace}}
 
 #endif  // {{header_guard}}