Template methods on Timer classes instead of the classes themselves.

ash/display/display_configurator_animation.cc

Index: ash/display/display_configurator_animation.cc
diff --git a/ash/display/display_configurator_animation.cc b/ash/display/display_configurator_animation.cc
index 0a4d60e022e9f39164f0beb077a21ee5047a9e02..dbbe00b470877bb1c04bb0292e032e6690fddb2b 100644
--- a/ash/display/display_configurator_animation.cc
+++ b/ash/display/display_configurator_animation.cc
@@ -139,7 +139,7 @@ void DisplayConfiguratorAnimation::StartFadeOutAnimation(
   // In case that OnDisplayModeChanged() isn't called or its animator is
   // canceled due to some unknown errors, we set a timer to clear these
   // hiding layers.
-  timer_.reset(new base::OneShotTimer<DisplayConfiguratorAnimation>());
+  timer_.reset(new base::OneShotTimer());
   timer_->Start(FROM_HERE,
                 base::TimeDelta::FromSeconds(kFadingTimeoutDurationInSeconds),
                 this,