rebaseline_server: download actual-results.json files from GCS instead of SVN

gm/rebaseline_server/compare_configs.py

Index: gm/rebaseline_server/compare_configs.py
diff --git a/gm/rebaseline_server/compare_configs.py b/gm/rebaseline_server/compare_configs.py
index aa26ba6f3740582db892533448739860bb291b71..1e64bebd72978a32e05a7806a3c748a913bdbd3e 100755
--- a/gm/rebaseline_server/compare_configs.py
+++ b/gm/rebaseline_server/compare_configs.py
@@ -21,10 +21,6 @@ import time
 
 # Imports from within Skia
 #
-# TODO(epoger): Once we move the create_filepath_url() function out of
-# download_actuals into a shared utility module, we won't need to import
-# download_actuals anymore.
-#
 # We need to add the 'gm' directory, so that we can import gm_json.py within
 # that directory.  That script allows us to parse the actual-results.json file
 # written out by the GM tool.
@@ -35,12 +31,12 @@ GM_DIRECTORY = os.path.dirname(PARENT_DIRECTORY)
 TRUNK_DIRECTORY = os.path.dirname(GM_DIRECTORY)
 if GM_DIRECTORY not in sys.path:
   sys.path.append(GM_DIRECTORY)
-import download_actuals
 import gm_json
 import imagediffdb
 import imagepair
 import imagepairset
 import results
+import url_utils
 
 
 class ConfigComparisons(results.BaseComparisons):
@@ -71,7 +67,7 @@ class ConfigComparisons(results.BaseComparisons):
     self._image_diff_db = imagediffdb.ImageDiffDB(generated_images_root)
     self._diff_base_url = (
         diff_base_url or
-        download_actuals.create_filepath_url(generated_images_root))
+        url_utils.create_filepath_url(generated_images_root))
     self._actuals_root = actuals_root
     self._load_config_pairs(configs)
     self._timestamp = int(time.time())