[chromedriver] Fix waiting and downloading snapshot builds.

chrome/test/chromedriver/run_buildbot_steps.py

 #!/usr/bin/env python
 # Copyright (c) 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.
 
 """Runs all the buildbot steps for ChromeDriver except for update/compile."""
 
 import bisect
 import csv
 import datetime
@@ skipping 365 matching lines @@
       print 'deleting sub-directory', file_path
       shutil.rmtree(file_path, True)
     if file_name.startswith('chromedriver_'):
       print 'deleting file', file_path
       os.remove(file_path)
 
 
 def _WaitForLatestSnapshot(revision):
   util.MarkBuildStepStart('wait_for_snapshot')
   while True:
-    download_site = archive.Site.BLINK_SNAPSHOT
-    if util.IsLinux() and platform.architecture()[0] == '32bit':
-      download_site = archive.Site.CHROMIUM_SNAPSHOT
-    snapshot_revision = archive.GetLatestRevision(download_site)
+    snapshot_revision = archive.GetLatestSnapshotVersion()
     if int(snapshot_revision) >= int(revision):
       break
     util.PrintAndFlush('Waiting for snapshot >= %s, found %s' %
                        (revision, snapshot_revision))
     time.sleep(60)
   util.PrintAndFlush('Got snapshot revision %s' % snapshot_revision)
 
 
 def _AddToolsToPath(platform_name):
   """Add some tools like Ant and Java to PATH for testing steps to use."""
@@ skipping 84 matching lines @@
     util.MarkBuildStepStart('run_all_tests.py')
     util.MarkBuildStepError()
 
   # Add a "cleanup" step so that errors from runtest.py or bb_device_steps.py
   # (which invoke this script) are kept in thier own build step.
   util.MarkBuildStepStart('cleanup')
 
 
 if __name__ == '__main__':
   main()