Template methods on Timer classes instead of the classes themselves.

net/disk_cache/disk_cache_test_util.h

Index: net/disk_cache/disk_cache_test_util.h
diff --git a/net/disk_cache/disk_cache_test_util.h b/net/disk_cache/disk_cache_test_util.h
index 0f40f5e44d4fdba027eebe73af4ae9fe42f5a31c..7191874348bee0a681826264665427488b0d949b 100644
--- a/net/disk_cache/disk_cache_test_util.h
+++ b/net/disk_cache/disk_cache_test_util.h
@@ -64,7 +64,7 @@ class MessageLoopHelper {
   // Called periodically to test if WaitUntilCacheIoFinished should return.
   void TimerExpired();
 
-  base::RepeatingTimer<MessageLoopHelper> timer_;
+  base::RepeatingTimer timer_;
   int num_callbacks_;
   int num_iterations_;
   int last_;