https://ci.chromium.org/p/chromium/builders/luci.chromium.try/chromium_presubmit?limit=200

Traceback (most recent call last):
  File "/b/swarming/w/ir/kitchen-checkout/recipe_engine/recipe_engine/run.py", line 287, in _new_run
    recipe_result = recipe_script.run(api, self.properties, self.environ)
  File "/b/swarming/w/ir/kitchen-checkout/recipe_engine/recipe_engine/loader.py", line 108, in run
    self.run_steps, properties, environ, self.PROPERTIES, api=api)
  File "/b/swarming/w/ir/kitchen-checkout/recipe_engine/recipe_engine/loader.py", line 636, in invoke_with_properties
    arg_names, **additional_args)
  File "/b/swarming/w/ir/kitchen-checkout/recipe_engine/recipe_engine/loader.py", line 599, in _invoke_with_properties
    return callable_obj(*props, **additional_args)
  File "/b/swarming/w/ir/kitchen-checkout/build/scripts/slave/recipes/run_presubmit.py", line 124, in RunSteps
    return _RunStepsInternal(api)
  File "/b/swarming/w/ir/kitchen-checkout/build/scripts/slave/recipes/run_presubmit.py", line 30, in _RunStepsInternal
    api.gclient.set_config(repo_name)
  File "/b/swarming/w/ir/kitchen-checkout/recipe_engine/recipe_engine/recipe_api.py", line 983, in set_config
    config, _ = self.make_config_params(config_name, optional, **CONFIG_VARS)
  File "/b/swarming/w/ir/kitchen-checkout/recipe_engine/recipe_engine/recipe_api.py", line 964, in make_config_params
    itm = ctx.CONFIG_ITEMS[config_name] if config_name else None
KeyError: 'chromium'