Use CheckSecurityForNode to filter out insecure calls

lib/html/scripts/systemnative.py

Index: lib/html/scripts/systemnative.py
diff --git a/lib/html/scripts/systemnative.py b/lib/html/scripts/systemnative.py
index 125ee4c0d1ebd5216cff1fe612d2142d2cca4959..724595cfdaec4cf61c0b027f7118551a57e4272d 100644
--- a/lib/html/scripts/systemnative.py
+++ b/lib/html/scripts/systemnative.py
@@ -274,10 +274,6 @@ class DartiumBackend(object):
         TO_DART=to_dart_emitter.Fragments())
 
   def AddAttribute(self, attribute, html_name, read_only):
-    if 'CheckSecurityForNode' in attribute.ext_attrs:
-      # FIXME: exclude from interface as well.
-      return
-
     self._AddGetter(attribute, html_name)
     if not read_only:
       self._AddSetter(attribute, html_name)
@@ -445,10 +441,6 @@ class DartiumBackend(object):
 
     operation = info.operations[0]
 
-    if 'CheckSecurityForNode' in operation.ext_attrs:
-      # FIXME: exclude from interface as well.
-      return
-
     is_custom = 'Custom' in operation.ext_attrs
     has_optional_arguments = any(self._IsArgumentOptionalInWebCore(operation, argument) for argument in operation.arguments)
     needs_dispatcher = not is_custom and (len(info.operations) > 1 or has_optional_arguments)