IDL: Drop [PerContextEnabled] extended attribute

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 267 matching lines @@
             not constant['runtime_enabled_function']
             for constant in constants),
         'runtime_enabled_constants': runtime_enabled_constants,
         'special_getter_constants': special_getter_constants,
     })
 
     # Attributes
     attributes = [v8_attributes.attribute_context(interface, attribute)
                   for attribute in interface.attributes]
 
-    has_conditional_attributes = any(attribute['per_context_enabled_function'] or attribute['exposed_test'] for attribute in attributes)
+    has_conditional_attributes = any(attribute['exposed_test'] for attribute in attributes)
     if has_conditional_attributes and interface.is_partial:
         raise Exception('Conditional attributes between partial interfaces in modules and the original interfaces(%s) in core are not allowed.' % interface.name)
 
     context.update({
         'attributes': attributes,
         'has_accessor_configuration': any(
             attribute['is_expose_js_accessors'] and
             not (attribute['is_static'] or
-                 attribute['runtime_enabled_function'] or
-                 attribute['per_context_enabled_function']) and
+                 attribute['runtime_enabled_function']) and
             attribute['should_be_exposed_to_script']
             for attribute in attributes),
         'has_attribute_configuration': any(
              not (attribute['is_expose_js_accessors'] or
                   attribute['is_static'] or
-                  attribute['runtime_enabled_function'] or
-                  attribute['per_context_enabled_function'])
+                  attribute['runtime_enabled_function'])
              and attribute['should_be_exposed_to_script']
              for attribute in attributes),
         'has_conditional_attributes': has_conditional_attributes,
         'has_constructor_attributes': any(attribute['constructor_type'] for attribute in attributes),
         'has_replaceable_attributes': any(attribute['is_replaceable'] for attribute in attributes),
     })
 
     # Methods
     methods = []
     if interface.original_interface:
@@ skipping 193 matching lines @@
         if 'overload_index' in method and 'overloads' not in method:
             continue
 
         if 'overloads' in method:
             overloads = method['overloads']
             if not overloads['visible']:
                 continue
             # original interface will register instead of partial interface.
             if overloads['has_partial_overloads'] and interface.is_partial:
                 continue
-            per_context_enabled_function = overloads['per_context_enabled_function_all']
             conditionally_exposed_function = overloads['exposed_test_all']
             runtime_enabled_function = overloads['runtime_enabled_function_all']
             has_custom_registration = (overloads['has_custom_registration_all'] or
                                        overloads['runtime_determined_lengths'])
         else:
             if not method['visible']:
                 continue
-            per_context_enabled_function = method['per_context_enabled_function']
             conditionally_exposed_function = method['exposed_test']
             runtime_enabled_function = method['runtime_enabled_function']
             has_custom_registration = method['has_custom_registration']
 
         if has_custom_registration:
             custom_registration_methods.append(method)
             continue
-        if per_context_enabled_function or conditionally_exposed_function:
+        if conditionally_exposed_function:
             conditionally_enabled_methods.append(method)
             continue
         if runtime_enabled_function:
             custom_registration_methods.append(method)
             continue
         if method['should_be_exposed_to_script']:
             method_configuration_methods.append(method)
 
     for method in methods:
         # The value of the Function object’s “length” property is a Number
@@ skipping 177 matching lines @@
         'deprecate_all_as': common_value(overloads, 'deprecate_as'),  # [DeprecateAs]
         'exposed_test_all': common_value(overloads, 'exposed_test'),  # [Exposed]
         'has_custom_registration_all': common_value(overloads, 'has_custom_registration'),
         'length': length,
         'length_tests_methods': length_tests_methods(effective_overloads_by_length),
         # 1. Let maxarg be the length of the longest type list of the
         # entries in S.
         'maxarg': lengths[-1],
         'measure_all_as': common_value(overloads, 'measure_as'),  # [MeasureAs]
         'minarg': lengths[0],
-        'per_context_enabled_function_all': common_value(overloads, 'per_context_enabled_function'),  # [PerContextEnabled]
         'returns_promise_all': promise_overload_count > 0,
         'runtime_determined_lengths': runtime_determined_lengths,
         'runtime_enabled_function_all': common_value(overloads, 'runtime_enabled_function'),  # [RuntimeEnabled]
         'valid_arities': lengths
             # Only need to report valid arities if there is a gap in the
             # sequence of possible lengths, otherwise invalid length means
             # "not enough arguments".
             if lengths[-1] - lengths[0] != len(lengths) - 1 else None,
         'visible': has_overload_visible,
         'has_partial_overloads': has_partial_overloads,
@@ skipping 585 matching lines @@
 
     extended_attributes = deleter.extended_attributes
     idl_type = deleter.idl_type
     is_call_with_script_state = v8_utilities.has_extended_attribute_value(deleter, 'CallWith', 'ScriptState')
     return {
         'is_call_with_script_state': is_call_with_script_state,
         'is_custom': 'Custom' in extended_attributes,
         'is_raises_exception': 'RaisesException' in extended_attributes,
         'name': cpp_name(deleter),
     }