Template methods on Timer classes instead of the classes themselves.

content/browser/indexed_db/indexed_db_transaction.h

Index: content/browser/indexed_db/indexed_db_transaction.h
diff --git a/content/browser/indexed_db/indexed_db_transaction.h b/content/browser/indexed_db/indexed_db_transaction.h
index 5bec07b00f35e7a010d04b6d06f29deaf0b609c4..5da780095bff6736754104de046392d096d91db0 100644
--- a/content/browser/indexed_db/indexed_db_transaction.h
+++ b/content/browser/indexed_db/indexed_db_transaction.h
@@ -175,7 +175,7 @@ class CONTENT_EXPORT IndexedDBTransaction
   // This timer is started after requests have been processed. If no subsequent
   // requests are processed before the timer fires, assume the script is
   // unresponsive and abort to unblock the transaction queue.
-  base::OneShotTimer<IndexedDBTransaction> timeout_timer_;
+  base::OneShotTimer timeout_timer_;
 
   Diagnostics diagnostics_;
 };