Add support for enums within structs and interfaces to mojom.

mojo/public/bindings/generators/mojom_data.py

Index: mojo/public/bindings/generators/mojom_data.py
diff --git a/mojo/public/bindings/generators/mojom_data.py b/mojo/public/bindings/generators/mojom_data.py
index aeb0ca6a5a51b8ce9e8f71cb6c68ca85711e4589..f24300708d73c8df79e669bcc3fb10955ddf6a58 100644
--- a/mojo/public/bindings/generators/mojom_data.py
+++ b/mojo/public/bindings/generators/mojom_data.py
@@ -66,6 +66,7 @@ def StructFromData(kinds, data):
   struct.spec = 'x:' + struct.name
   kinds[struct.spec] = struct
   struct.fields = map(lambda field: FieldFromData(kinds, field), data['fields'])
+  struct.enums = map(lambda enum: EnumFromData(kinds, enum), data['enums'])
   return struct
 
 def FieldToData(field):
@@ -137,6 +138,7 @@ def InterfaceFromData(kinds, data):
   interface.peer = data['peer']
   interface.methods = map(
     lambda method: MethodFromData(kinds, method), data['methods'])
+  interface.enums = map(lambda enum: EnumFromData(kinds, enum), data['enums'])
   return interface
 
 def EnumFieldFromData(kinds, data):