Template methods on Timer classes instead of the classes themselves.

ui/display/chromeos/display_configurator.h

Index: ui/display/chromeos/display_configurator.h
diff --git a/ui/display/chromeos/display_configurator.h b/ui/display/chromeos/display_configurator.h
index eab3d90c8ea02de607a3a0abc06556c6aaa7ce5d..5a2b2d482f588ac404a1df659eeeef9d4ce54131 100644
--- a/ui/display/chromeos/display_configurator.h
+++ b/ui/display/chromeos/display_configurator.h
@@ -403,7 +403,7 @@ class DISPLAY_EXPORT DisplayConfigurator : public NativeDisplayObserver {
   // The timer to delay configuring displays. This is used to aggregate multiple
   // display configuration events when they are reported in short time spans.
   // See comment for NativeDisplayEventDispatcherX11 for more details.
-  base::OneShotTimer<DisplayConfigurator> configure_timer_;
+  base::OneShotTimer configure_timer_;
 
   // Id for next display protection client.
   ContentProtectionClientId next_display_protection_client_id_;