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

third_party/WebKit/Source/bindings/scripts/code_generator_v8.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 409 matching lines @@
         # Bytecode cache is not concurrency-safe unless pre-cached:
         # if pre-cached this is read-only, but writing creates a race condition.
         bytecode_cache=jinja2.FileSystemBytecodeCache(cache_dir),
         keep_trailing_newline=True,  # newline-terminate generated files
         lstrip_blocks=True,  # so can indent control flow tags
         trim_blocks=True)
     jinja_env.filters.update({
         'blink_capitalize': capitalize,
         'exposed': exposed_if,
         'for_origin_trial_feature': for_origin_trial_feature,
+        'secure_context': secure_context_if,
         'runtime_enabled': runtime_enabled_if,
         'unique_by': unique_by,
         })
     jinja_env.filters.update(attribute_filters())
     jinja_env.filters.update(v8_interface.constant_filters())
     jinja_env.filters.update(method_filters())
     return jinja_env
 
 
 def generate_indented_conditional(code, conditional):
     # Indent if statement to level of original code
     indent = re.match(' *', code).group(0)
     return ('%sif (%s) {\n' % (indent, conditional) +
             '    %s\n' % '\n    '.join(code.splitlines()) +
             '%s}\n' % indent)
 
 
 # [Exposed]
 def exposed_if(code, exposed_test):
     if not exposed_test:
         return code
     return generate_indented_conditional(code, 'executionContext && (%s)' % exposed_test)
 
 
+# [SecureContext]
+def secure_context_if(code, secure_context_test):
+    if not secure_context_test:
+        return code
+    return generate_indented_conditional(code, 'executionContext && (%s)' % secure_context_test)
+
+
 # [RuntimeEnabled]
 def runtime_enabled_if(code, runtime_enabled_function_name):
     if not runtime_enabled_function_name:
         return code
     return generate_indented_conditional(code, '%s()' % runtime_enabled_function_name)
 
 
 ################################################################################
 
 def main(argv):
@@ skipping 15 matching lines @@
 
     # Create a dummy file as output for the build system,
     # since filenames of individual cache files are unpredictable and opaque
     # (they are hashes of the template path, which varies based on environment)
     with open(dummy_filename, 'w') as dummy_file:
         pass  # |open| creates or touches the file
 
 
 if __name__ == '__main__':
     sys.exit(main(sys.argv))