[I-Spy] Add support for rebaselining expectations from the web UI.

chrome/test/functional/ispy/server/gs_bucket.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.
 
 """Implementation of CloudBucket using Google Cloud Storage as the backend."""
 import os
 import sys
 
 import cloudstorage
 
-from ..common import cloud_bucket
+from common import cloud_bucket
 
 
 class GoogleCloudStorageBucket(cloud_bucket.BaseCloudBucket):
   """Subclass of cloud_bucket.CloudBucket with actual GS commands."""
 
   def __init__(self, bucket):
     """Initializes the bucket.
 
     Args:
       bucket: the name of the bucket to connect to.
@@ skipping 41 matching lines @@
     return True
 
   # override
   def GetImageURL(self, path):
     return '/image?file_path=%s' % path
 
   # override
   def GetAllPaths(self, prefix):
     return (f.filename[len(self.bucket) + 1:] for f in
             cloudstorage.listbucket(self.bucket, prefix=prefix))