Interfaces declared first in header file.

mojo/public/tools/bindings/generators/cpp_templates/module.h.tmpl

Index: mojo/public/tools/bindings/generators/cpp_templates/module.h.tmpl
diff --git a/mojo/public/tools/bindings/generators/cpp_templates/module.h.tmpl b/mojo/public/tools/bindings/generators/cpp_templates/module.h.tmpl
index 87880a26f31ed52d75244b518a6ba10f86cdf9be..d96fb60b8ff72f23d91a55e3f5fa37f81fd66dc9 100644
--- a/mojo/public/tools/bindings/generators/cpp_templates/module.h.tmpl
+++ b/mojo/public/tools/bindings/generators/cpp_templates/module.h.tmpl
@@ -71,29 +71,6 @@ typedef mojo::StructPtr<{{union.name}}> {{union.name}}Ptr;
 {%    endif %}
 {%- endfor %}
 
-{#--- Unions must be declared first because they can be members of structs #}
-{#--- Unions #}
-{%  for union in unions %}
-{%    include "wrapper_union_class_declaration.tmpl" %}
-{%- endfor %}
-
-{#--- NOTE: Non-inlined structs may have pointers to inlined structs, so we  #}
-{#---       need to fully define inlined structs ahead of the others.        #}
-
-{#--- Inlined structs #}
-{%  for struct in structs %}
-{%    if struct|should_inline %}
-{%      include "wrapper_class_declaration.tmpl" %}
-{%    endif %}
-{%- endfor %}
-
-{#--- Non-inlined structs #}
-{%  for struct in structs %}
-{%    if not struct|should_inline %}
-{%      include "wrapper_class_declaration.tmpl" %}
-{%    endif %}
-{%- endfor %}
-
 {#--- Interfaces -#}
 {%  for interface in interfaces %}
 {%    include "interface_declaration.tmpl" %}
@@ -119,6 +96,29 @@ typedef mojo::StructPtr<{{union.name}}> {{union.name}}Ptr;
 {%    include "interface_response_validator_declaration.tmpl" %}
 {%- endfor %}
 
+{#--- Unions must be declared first because they can be members of structs #}
+{#--- Unions #}
+{%  for union in unions %}
+{%    include "wrapper_union_class_declaration.tmpl" %}
+{%- endfor %}
+
+{#--- NOTE: Non-inlined structs may have pointers to inlined structs, so we  #}
+{#---       need to fully define inlined structs ahead of the others.        #}
+
+{#--- Inlined structs #}
+{%  for struct in structs %}
+{%    if struct|should_inline %}
+{%      include "wrapper_class_declaration.tmpl" %}
+{%    endif %}
+{%- endfor %}
+
+{#--- Non-inlined structs #}
+{%  for struct in structs %}
+{%    if not struct|should_inline %}
+{%      include "wrapper_class_declaration.tmpl" %}
+{%    endif %}
+{%- endfor %}
+
 {#--- Struct Serialization Helpers -#}
 {%  if structs %}
 {%    for struct in structs %}