Context Menus now uses the JSON Schema Compiler.

tools/json_schema_compiler/cpp_type_generator.py

Index: tools/json_schema_compiler/cpp_type_generator.py
diff --git a/tools/json_schema_compiler/cpp_type_generator.py b/tools/json_schema_compiler/cpp_type_generator.py
index a305b7525bd5091563b1c29daca48bbbc1d4665a..9e0f994094ac83724efee550cbc5f35743ff3b35 100644
--- a/tools/json_schema_compiler/cpp_type_generator.py
+++ b/tools/json_schema_compiler/cpp_type_generator.py
@@ -261,6 +261,9 @@ class CppTypeGenerator(object):
     for type_ in self._namespace.types.values():
       for prop in type_.properties.values():
         dependencies |= self._PropertyTypeDependencies(prop)
+    for event in self._namespace.events.values():
+      for param in event.params:
+        dependencies |= self._PropertyTypeDependencies(param)
 
     dependency_namespaces = dict()
     for dependency in dependencies: