Move builder_spec, [dm|nanobench]_flags, builder_name_schema to recipes

infra/bots/recipe_modules/run/api.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=W0201
 
 
 from recipe_engine import recipe_api
 
@@ skipping 64 matching lines @@
     env = dict(env or {})
     env.update(self.m.vars.default_env)
     try:
       return steptype(name=name, env=env, **kwargs)
     except self.m.step.StepFailure as e:
       if abort_on_failure:
         raise  # pragma: no cover
       if fail_build_on_failure:
         self._failed.append(e)
 
-  def json_from_file(self, filename, cwd, builder_name, test_data):
-    """Execute the given script to obtain JSON data."""
-    return self.m.python(
-        'exec %s' % self.m.path.basename(filename),
-        filename,
-        args=[self.m.json.output(), builder_name],
-        step_test_data=lambda: self.m.json.test_api.output(test_data),
-        cwd=cwd,
-        infra_step=True).json.output
-
   def copy_build_products(self, src, dst):
     """Copy whitelisted build products from src to dst."""
     self.m.python.inline(
         name='copy build products',
         program='''import errno
 import glob
 import os
 import shutil
 import sys
 
@@ skipping 38 matching lines @@
 print json.dumps({'ccache': ccache})
 ''',
             stdout=self.m.json.output(),
             infra_step=True,
             abort_on_failure=False,
             fail_build_on_failure=False)
         if result and result.stdout and result.stdout.get('ccache'):
           self._ccache = result.stdout['ccache']
 
     return self._ccache