Roll version of gsutil to 4.15.

third_party/gsutil/gslib/cloud_api_delegator.py

Index: third_party/gsutil/gslib/cloud_api_delegator.py
diff --git a/third_party/gsutil/gslib/cloud_api_delegator.py b/third_party/gsutil/gslib/cloud_api_delegator.py
index 05c8732c0de645e38aaaff915282f762befc4274..3fc3aa544eacdf8fcff24ff04c66b06e5eff09bb 100644
--- a/third_party/gsutil/gslib/cloud_api_delegator.py
+++ b/third_party/gsutil/gslib/cloud_api_delegator.py
@@ -41,7 +41,7 @@ class CloudApiDelegator(CloudApi):
   """
 
   def __init__(self, bucket_storage_uri_class, gsutil_api_map, logger,
-               provider=None, debug=0):
+               provider=None, debug=0, trace_token=None):
     """Performs necessary setup for delegating cloud storage requests.
 
     This function has different arguments than the gsutil Cloud API __init__
@@ -56,9 +56,11 @@ class CloudApiDelegator(CloudApi):
       provider: Default provider prefix describing cloud storage provider to
                 connect to.
       debug: Debug level for the API implementation (0..3).
+      trace_token: Apiary trace token to pass to API.
     """
     super(CloudApiDelegator, self).__init__(bucket_storage_uri_class, logger,
-                                            provider=provider, debug=debug)
+                                            provider=provider, debug=debug,
+                                            trace_token=trace_token)
     self.api_map = gsutil_api_map
     self.prefer_api = boto.config.get('GSUtil', 'prefer_api', '').upper()
     self.loaded_apis = {}
@@ -116,7 +118,8 @@ class CloudApiDelegator(CloudApi):
             self.bucket_storage_uri_class,
             self.logger,
             provider=provider,
-            debug=self.debug))
+            debug=self.debug,
+            trace_token=self.trace_token))
 
   def GetApiSelector(self, provider=None):
     """Returns a cs_api_map.ApiSelector based on input and configuration.