Move cleanup that happens on IO thread destruction to content, so that not every embedder has to ...

content/browser/in_process_webkit/indexed_db_key_utility_client.h

Index: content/browser/in_process_webkit/indexed_db_key_utility_client.h
===================================================================
--- content/browser/in_process_webkit/indexed_db_key_utility_client.h	(revision 117868)
+++ content/browser/in_process_webkit/indexed_db_key_utility_client.h	(working copy)
@@ -43,7 +43,7 @@
       const string16& key_path);
 
   // Shut down the underlying implementation. Must be called on the IO thread.
-  CONTENT_EXPORT static void Shutdown();
+  static void Shutdown();
 
  private:
   friend struct base::DefaultLazyInstanceTraits<IndexedDBKeyUtilityClient>;