Revert "build: roll infra_paths changes"

scripts/slave/recipe_modules/gsutil/example.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.
 
 DEPS = [
-  'depot_tools/infra_paths',
   'gsutil',
   'recipe_engine/path',
 ]
 
 
 def RunSteps(api):
   """Move things around in a loop!"""
-  local_file = api.infra_paths['slave_build'].join('boom')
+  local_file = api.path['slave_build'].join('boom')
   bucket = 'chromium-recipe-test'
   cloud_file = 'some/random/path/to/boom'
   api.gsutil.upload(local_file, bucket, cloud_file,
       metadata={
         'Test-Field': 'value',
         'Remove-Me': None,
         'x-custom-field': 'custom-value',
         'Cache-Control': 'no-cache',
       },
       unauthenticated_url=True)
@@ skipping 14 matching lines @@
   # Non-normalized URL.
   try:
     api.gsutil.download_url(
         'https://someotherservice.localhost',
         local_file,
         name='gsutil download url')
   except AssertionError:
     pass
 
   new_cloud_file = 'staging/to/boom'
-  new_local_file = api.infra_paths['slave_build'].join('erang')
+  new_local_file = api.path['slave_build'].join('erang')
   api.gsutil.download(bucket, new_cloud_file, new_local_file)
 
   private_key_file = 'path/to/key'
   signed_url = api.gsutil.signurl(private_key_file, bucket, cloud_file,
                                   name='signed url')
   api.gsutil.remove_url('gs://%s/%s' % (bucket, new_cloud_file))
 
   api.gsutil.download_with_polling('gs://chromium-recipe-test/foo/bar',
                                    'local/path/for/download',
                                    15,
                                    600)
 
 
 def GenTests(api):
   yield api.test('basic')