recipe_engine: change resource API to use repo root

recipe_modules/path/api.py

 # Copyright 2013 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 functools
 import os
 import sys
 import tempfile
 
 from recipe_engine import recipe_api
@@ skipping 12 matching lines @@
       elif name in api.c.base_paths:
         if test.enabled:
           base_path = repr(path.base)
         else:  # pragma: no cover
           base_path = api.join(*api.c.base_paths[name])
     elif isinstance(path.base, config_types.ModuleBasePath):
       if test.enabled:
         base_path = repr(path.base)
       else:  # pragma: no cover
         base_path = os.path.dirname(path.base.module.__file__)
-    elif isinstance(path.base, config_types.PackageBasePath):
+    elif isinstance(path.base, config_types.PackageRepoBasePath):
       if test.enabled:
         base_path = repr(path.base)
       else:  # pragma: no cover
-        base_path = path.base.package.recipes_dir
+        base_path = path.base.package.repo_root
     else:  # pragma: no cover
       raise NotImplementedError('PathToString not implemented for %s' %
                                 path.base.__class__.__name__)
     assert base_path, 'Could not get base %r for path; pieces: %r' % (
         path.base, path.pieces)
     return api.join(base_path, *path.pieces) + suffix
   return PathToString_inner
 
 
 def string_filter(func):
@@ skipping 184 matching lines @@
     if name in self.OK_ATTRS:
       return getattr(self._path_mod, name)
     if name in self.FILTER_METHODS:
       return string_filter(getattr(self._path_mod, name))
     raise AttributeError("'%s' object has no attribute '%s'" %
                          (self._path_mod, name))  # pragma: no cover
 
   def __dir__(self):  # pragma: no cover
     # Used for helping out show_me_the_modules.py
     return self.__dict__.keys() + list(self.OK_ATTRS + self.FILTER_METHODS)