[Bindings] Code cleanup: Early return if funtime enabled interface is false

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

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # pylint: disable=import-error,print-statement,relative-import
 
 """Plumbing for a Jinja-based code generator, including CodeGeneratorBase, a base class for all generators."""
 
 import os
 import posixpath
@@ skipping 51 matching lines @@
     if not secure_context_test:
         return code
     return generate_indented_conditional(code, 'executionContext && (%s)' % secure_context_test)
 
 
 # [RuntimeEnabled]
 def runtime_enabled_if(code, name):
     if not name:
         return code
 
-    function = 'RuntimeEnabledFeatures::%sEnabled()' % v8_utilities.uncapitalize(name)
+    function = v8_utilities.runtime_enabled_function(name)
     return generate_indented_conditional(code, function)
 
 
 def initialize_jinja_env(cache_dir):
     jinja_env = jinja2.Environment(
         loader=jinja2.FileSystemLoader(TEMPLATES_DIR),
         # 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,
         'format_blink_cpp_source_code': format_blink_cpp_source_code,
         'format_remove_duplicates': format_remove_duplicates,
         'runtime_enabled': runtime_enabled_if,
+        'runtime_enabled_function': v8_utilities.runtime_enabled_function,
         'secure_context': secure_context_if,
         'unique_by': unique_by})
     jinja_env.filters.update(constant_filters())
     jinja_env.filters.update(method_filters())
     return jinja_env
 
 
 def normalize_and_sort_includes(include_paths):
     normalized_include_paths = []
     for include_path in include_paths:
@@ skipping 82 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))