Pass user to ObjectStorePopulator.

lib/galaxy/jobs/__init__.py

@@ -1456,7 +1456,7 @@ def _set_object_store_ids(self, job):
             # jobs may have this set. Skip this following code if that is the case.
             return
 
-        object_store_populator = ObjectStorePopulator(self.app)
+        object_store_populator = ObjectStorePopulator(self.app, job.user)
         object_store_id = self.get_destination_configuration("object_store_id", None)
         if object_store_id:
             object_store_populator.object_store_id = object_store_id

lib/galaxy/objectstore/__init__.py

@@ -1070,9 +1070,10 @@ class ObjectStorePopulator:
     datasets from a job end up with the same object_store_id.
     """
 
-    def __init__(self, app):
+    def __init__(self, app, user):
         self.object_store = app.object_store
         self.object_store_id = None
+        self.user = user
 
     def set_object_store_id(self, data):
         # Create an empty file immediately.  The first dataset will be

lib/galaxy/tools/actions/__init__.py

@@ -360,7 +360,7 @@ def execute(self, tool, trans, incoming=None, return_job=False, set_output_hid=T
         # datasets first, then create the associations
         parent_to_child_pairs = []
         child_dataset_names = set()
-        object_store_populator = ObjectStorePopulator(app)
+        object_store_populator = ObjectStorePopulator(app, trans.user)
         async_tool = tool.tool_type == 'data_source_async'
 
         def handle_output(name, output, hidden=None):

test/unit/tools/test_metadata.py

@@ -169,7 +169,7 @@ def _create_output_dataset(self, **kwd):
             **kwd
         )
         self.history.add_dataset(output_dataset)
-        ObjectStorePopulator(self.app).set_object_store_id(output_dataset)
+        ObjectStorePopulator(self.app, user=self.job.user).set_object_store_id(output_dataset)
         return output_dataset
 
     def _write_work_dir_file(self, filename, contents):