V8 Buildbot: Fix module dependencies.

scripts/slave/recipes/v8/auto_roll_v8_deps.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.
 
 from infra.libs.infra_types import freeze
 
 DEPS = [
   'bot_update',
   'gclient',
   'git',
   'json',
   'path',
   'properties',
   'python',
   'raw_io',
   'step',
+  'v8',
 ]
 
 BASE_URL = 'https://chromium.googlesource.com'
 V8_REPO = BASE_URL + '/v8/v8'
 CR_REPO = BASE_URL + '/chromium/src'
 V8_DEPS_DIFFS = freeze({
   'tools/gyp': 'build/gyp',
 })
 
 
@@ skipping 176 matching lines @@
       ) +
       api.override_step_data(
           'look up another/dep',
           api.raw_io.stream_output('deadbeaf\tHEAD', stream='stdout'),
       ) +
       api.override_step_data(
           'git diff',
           api.raw_io.stream_output('some difference', stream='stdout'),
       )
   )