bindings: Use IDL dictionary to implement FontFaceSetLoadEventInit

Source/bindings/scripts/v8_types.py

 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 904 matching lines @@
     elif idl_literal.idl_type in ('integer', 'float'):
         member_type = idl_type.numeric_member_type
     elif idl_literal.idl_type == 'boolean':
         member_type = idl_type.boolean_member_type
     else:
         raise ValueError('Unsupported literal type: ' + idl_literal.idl_type)
 
     return '%s::from%s(%s)' % (idl_type.name, member_type.name,
                                member_type.literal_cpp_value(idl_literal))
 
+
+def array_or_sequence_literal_cpp_value(idl_type, idl_literal):
+    # Only support empty arrays.
+    if idl_literal.value == '[]':
+        element_type = idl_type.element_type
+        ref_ptr_type = cpp_ptr_type('RefPtr', 'Member', element_type.gc_type)
+        inner_type = cpp_template_type(ref_ptr_type, element_type.name)
+        vector_type = cpp_ptr_type('Vector', 'HeapVector',
+                                   element_type.gc_type)
+        return cpp_template_type(vector_type, inner_type) + '()'
+    raise ValueError('Unsupported literal type: ' + idl_literal.idl_type)
+
+
 IdlType.literal_cpp_value = literal_cpp_value
 IdlUnionType.literal_cpp_value = union_literal_cpp_value
+IdlArrayOrSequenceType.literal_cpp_value = array_or_sequence_literal_cpp_value
 
 
 ################################################################################
 # Utility properties for nullable types
 ################################################################################
 
 
 def cpp_type_has_null_value(idl_type):
     # - String types (String/AtomicString) represent null as a null string,
     #   i.e. one for which String::isNull() returns true.
@@ skipping 40 matching lines @@
     number_of_nullable_member_types_union)
 
 
 def includes_nullable_type_union(idl_type):
     # http://heycam.github.io/webidl/#dfn-includes-a-nullable-type
     return idl_type.number_of_nullable_member_types == 1
 
 IdlTypeBase.includes_nullable_type = False
 IdlNullableType.includes_nullable_type = True
 IdlUnionType.includes_nullable_type = property(includes_nullable_type_union)