Fix missing .get() to convert a RefPtr to a ptr for Uint8ClampedArray

Source/bindings/dart/scripts/dart_interface.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 930 matching lines @@
         'number_of_arguments': len(constructor.arguments),
     }
 
 
 def constructor_argument_list(interface, constructor):
     # FIXME: unify with dart_methods.cpp_argument.
 
     def cpp_argument(argument):
         argument_name = dart_types.check_reserved_name(argument.name)
         idl_type = argument.idl_type
-        if isinstance(idl_type, IdlArrayType):
+        # FIXMEDART: there has to be a cleaner way to check for arraylike
+        # types such as Uint8ClampedArray.
+        if isinstance(idl_type, IdlArrayType) or idl_type.preprocessed_type.is_typed_array_type:
             return '%s.get()' % argument_name
 
         return argument_name
 
     arguments = []
     # [ConstructorCallWith=ExecutionContext]
     if DartUtilities.has_extended_attribute_value(interface, 'ConstructorCallWith', 'ExecutionContext'):
         arguments.append('context')
     # [ConstructorCallWith=Document]
     if DartUtilities.has_extended_attribute_value(interface, 'ConstructorCallWith', 'Document'):
@@ skipping 265 matching lines @@
         deleter = next(
             method
             for method in interface.operations
             if ('deleter' in method.specials and
                 len(method.arguments) == 1 and
                 str(method.arguments[0].idl_type) == 'DOMString'))
     except StopIteration:
         return None
 
     return property_deleter(deleter)