binding: Reduces the binary size of binding's generated code.

third_party/WebKit/Source/bindings/scripts/v8_interface.py

 # Copyright (C) 2013 Google Inc. All rights reserved.
 # coding=utf-8
 #
 # 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
@@ skipping 545 matching lines @@
             method['is_check_security_for_receiver'] and not method['is_unforgeable']
             for method in methods),
         'has_private_script': (any(attribute['is_implemented_in_private_script'] for attribute in attributes) or
                                any(method['is_implemented_in_private_script'] for method in methods)),
         'iterator_method': iterator_method,
         'has_array_iterator': has_array_iterator,
         'methods': methods,
     })
 
     # Conditionally enabled members
-    has_conditional_attributes_on_instance = any(
-        (attribute['exposed_test'] or attribute['secure_context_test']) and attribute['on_instance']
-        for attribute in attributes)
     has_conditional_attributes_on_prototype = any(
         (attribute['exposed_test'] or attribute['secure_context_test']) and attribute['on_prototype']
         for attribute in attributes)
     context.update({
-        'has_conditional_attributes_on_instance':
-            has_conditional_attributes_on_instance,
         'has_conditional_attributes_on_prototype':
             has_conditional_attributes_on_prototype,
     })
 
     context.update({
         'indexed_property_getter': property_getter(interface.indexed_property_getter, ['index']),
         'indexed_property_setter': property_setter(interface.indexed_property_setter, interface),
         'indexed_property_deleter': property_deleter(interface.indexed_property_deleter),
         'is_override_builtins': 'OverrideBuiltins' in extended_attributes,
         'named_property_getter': property_getter(interface.named_property_getter, ['propertyName']),
@@ skipping 821 matching lines @@
     extended_attributes = deleter.extended_attributes
     is_call_with_script_state = v8_utilities.has_extended_attribute_value(deleter, 'CallWith', 'ScriptState')
     is_ce_reactions = 'CEReactions' in extended_attributes
     return {
         'is_call_with_script_state': is_call_with_script_state,
         'is_ce_reactions': is_ce_reactions,
         'is_custom': 'Custom' in extended_attributes,
         'is_raises_exception': 'RaisesException' in extended_attributes,
         'name': cpp_name(deleter),
     }