Template methods on Timer classes instead of the classes themselves.

extensions/renderer/dispatcher.cc

Index: extensions/renderer/dispatcher.cc
diff --git a/extensions/renderer/dispatcher.cc b/extensions/renderer/dispatcher.cc
index c9dfb9c9593e21268da4f44b7145163d94257c13..171080e68bf3d21cc5ddf980c546b9043d39b92f 100644
--- a/extensions/renderer/dispatcher.cc
+++ b/extensions/renderer/dispatcher.cc
@@ -884,7 +884,7 @@ void Dispatcher::WebKitInitialized() {
   // For extensions, we want to ensure we call the IdleHandler every so often,
   // even if the extension keeps up activity.
   if (set_idle_notifications_) {
-    forced_idle_timer_.reset(new base::RepeatingTimer<RenderThread>);
+    forced_idle_timer_.reset(new base::RepeatingTimer);
     forced_idle_timer_->Start(
         FROM_HERE,
         base::TimeDelta::FromMilliseconds(kMaxExtensionIdleHandlerDelayMs),