Fix upload_to_google_storage.py.

r293250 broke it. I didn't realize that check_bucket_permissions
was shared code. It now only returns a single value.

TBR=vadimsh@chromium.org

Review URL: https://codereview.chromium.org/782643002

git-svn-id: svn://svn.chromium.org/chrome/trunk/tools/depot_tools@293256 0039d316-1c4b-4281-b951-d872f2087c98

upload_to_google_storage.py

@@ -245,8 +245,10 @@ def main(args):
       parser.error('gsutil not found in %s, bad depot_tools checkout?' %
                    GSUTIL_DEFAULT_PATH)
 
+  base_url = 'gs://%s' % options.bucket
+
   # Check we have a valid bucket with valid permissions.
-  base_url, code = check_bucket_permissions(options.bucket, gsutil)
+  code = check_bucket_permissions(base_url, gsutil)
   if code:
     return code