Extract functions from path recipe module so that step can depend on it

scripts/slave/recipe_modules/skia/default_flavor.py

 # Copyright 2014 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.
 
 
 import base_flavor
 
 
 """Default flavor utils class, used for desktop builders."""
 
@@ skipping 200 matching lines @@
                        'from host to device is undefined and only allowed if '
                        'host_path and device_path are the same (%s vs %s).' % (
                        str(host_path), str(device_path)))
 
   def create_clean_device_dir(self, path):
     """Like shutil.rmtree() + os.makedirs(), but on a connected device."""
     self.create_clean_host_dir(path)
 
   def create_clean_host_dir(self, path):
     """Convenience function for creating a clean directory."""
-    self._skia_api.m.path.rmtree(
+    self._skia_api.m.file.rmtree(
         self._skia_api.m.path.basename(path), path)
-    self._skia_api.m.path.makedirs(
+    self._skia_api.m.file.makedirs(
         self._skia_api.m.path.basename(path), path)
 
   def install(self):
     """Run device-specific installation steps."""
     pass
 
   def cleanup_steps(self):
     """Run any device-specific cleanup steps."""
     pass
 
   def get_device_dirs(self):
     """ Set the directories which will be used by the build steps.
 
     These refer to paths on the same device where the test executables will
     run, for example, for Android bots these are paths on the Android device
     itself. For desktop bots, these are just local paths.
     """
     pardir = self._skia_api.m.path.pardir
     join = self._skia_api.m.path['slave_build'].join
     return DeviceDirs(
         dm_dir=join('dm'),
         perf_data_dir=self._skia_api.perf_data_dir,
         resource_dir=self._skia_api.resource_dir,
         images_dir=join('images'),
         skp_dirs=self._skia_api.local_skp_dirs,
         skp_perf_dir=self._skia_api.perf_data_dir,
         tmp_dir=join('tmp'))