depot_tools: use package_resource to locate gclient.py

recipe_modules/gclient/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.
 
 from recipe_engine import recipe_api
 
 
 class RevisionResolver(object):
   """Resolves the revision based on build properties."""
 
@@ skipping 73 matching lines @@
     self._spec_alias = None
 
   def __call__(self, name, cmd, infra_step=True, **kwargs):
     """Wrapper for easy calling of gclient steps."""
     assert isinstance(cmd, (list, tuple))
     prefix = 'gclient '
     if self.spec_alias:
       prefix = ('[spec: %s] ' % self.spec_alias) + prefix
 
     return self.m.python(prefix + name,
-                         self.m.path['depot_tools'].join('gclient.py'),
+                         self.package_resource('gclient.py'),
                          cmd,
                          infra_step=infra_step,
                          **kwargs)
 
   @property
   def use_mirror(self):
     """Indicates if gclient will use mirrors in its configuration."""
     if self.USE_MIRROR is None:
       self.USE_MIRROR = self.m.properties.get('use_mirror', True)
     return self.USE_MIRROR
@@ skipping 212 matching lines @@
           for (path, dir, files) in os.walk(build_path):
             for cur_file in files:
               if cur_file.endswith('index.lock'):
                 path_to_file = os.path.join(path, cur_file)
                 print 'deleting %s' % path_to_file
                 os.remove(path_to_file)
       """,
       args=[self.m.path['slave_build']],
       infra_step=True,
     )