Moving GetInventoryItem up to InventoryServiceBase, since this seems like a pretty fundamental function.

OpenSim/Framework/Communications/InventoryServiceBase.cs

@@ -321,6 +321,16 @@ namespace OpenSim.Framework.Communications
             }
         }
 
+        public InventoryItemBase GetInventoryItem(UUID itemID)
+        {
+            foreach (IInventoryDataPlugin plugin in m_plugins)
+            {
+                return plugin.getInventoryItem(itemID);
+            }
+
+            return null;
+        }
+
         /// <summary>
         /// Used to create a new user inventory.
         /// </summary>

OpenSim/Grid/AssetInventoryServer/Plugins/OpenSim/OpenSimInventoryService.cs

@@ -54,15 +54,5 @@ namespace OpenSim.Grid.AssetInventoryServer.Plugins.OpenSim
 
             return folder;
         }
-
-        public InventoryItemBase GetInventoryItem(UUID itemID)
-        {
-            foreach (IInventoryDataPlugin plugin in m_plugins)
-            {
-                return plugin.getInventoryItem(itemID);
-            }
-
-            return null;
-        }
     }
 }