Fixed download_from_google_storage for real.

check_bucket_permissions should no longer return a tuple.

TBR=vadimsh@chromium.org

Review URL: https://codereview.chromium.org/759013007

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@293255 0039d316-1c4b-4281-b951-d872f2087c98

download_from_google_storage.py

@@ -119,7 +119,7 @@ def check_bucket_permissions(base_url, gsutil):
     print >> sys.stderr, 'Try running "download_from_google_storage --config".'
   elif code == 404:
     print >> sys.stderr, '%s not found.' % base_url
-  return (base_url, code)
+  return code
 
 
 def check_platform(target):