Template methods on Timer classes instead of the classes themselves.

chrome/browser/chromeos/session_length_limiter.cc

Index: chrome/browser/chromeos/session_length_limiter.cc
diff --git a/chrome/browser/chromeos/session_length_limiter.cc b/chrome/browser/chromeos/session_length_limiter.cc
index f26cf448bf90f4b4cd5c6c66500f66afdcf2b3e9..7bc17adcdc7fd4c559a9f3f51a28be42718a4569 100644
--- a/chrome/browser/chromeos/session_length_limiter.cc
+++ b/chrome/browser/chromeos/session_length_limiter.cc
@@ -204,7 +204,7 @@ void SessionLengthLimiter::UpdateLimit() {
   }
 
   // Set a timer to log out the user when the session length limit is reached.
-  timer_.reset(new base::OneShotTimer<SessionLengthLimiter::Delegate>);
+  timer_.reset(new base::OneShotTimer);
   timer_->Start(FROM_HERE, remaining, delegate_.get(),
                 &SessionLengthLimiter::Delegate::StopSession);
 }