Implement '[SecureContext]' IDL attribute for interfaces, methods and attributes.

third_party/WebKit/Source/bindings/scripts/v8_utilities.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 324 matching lines @@
         if e.exposed not in EXPOSED_EXECUTION_CONTEXT_METHOD:
             raise ValueError('Invalid execution context: %s' % e.exposed)
 
     # Methods must not be exposed to a broader scope than their interface.
     if not exposure_set.issubset(interface_exposure_set):
         raise ValueError('Interface members\' exposure sets must be a subset of the interface\'s.')
 
     return exposure_set.code()
 
 
+# [SecureContext]
+def secure_context(member, interface):
+    """Returns C++ code that checks whether an interface/method/attribute/etc. is exposed
+    to the current context."""
+    if 'SecureContext' in member.extended_attributes or 'SecureContext' in interface.extended_attributes:
+        return "executionContext->isSecureContext()"
+    return None
+
+
 # [ImplementedAs]
 def cpp_name(definition_or_member):
     extended_attributes = definition_or_member.extended_attributes
     if 'ImplementedAs' not in extended_attributes:
         return definition_or_member.name
     return extended_attributes['ImplementedAs']
 
 
 def cpp_name_from_interfaces_info(name, interfaces_info):
     return interfaces_info.get(name, {}).get('implemented_as') or name
@@ skipping 268 matching lines @@
     except StopIteration:
         return None
 
 
 IdlInterface.indexed_property_getter = property(indexed_property_getter)
 IdlInterface.indexed_property_setter = property(indexed_property_setter)
 IdlInterface.indexed_property_deleter = property(indexed_property_deleter)
 IdlInterface.named_property_getter = property(named_property_getter)
 IdlInterface.named_property_setter = property(named_property_setter)
 IdlInterface.named_property_deleter = property(named_property_deleter)