Template methods on Timer classes instead of the classes themselves.

chrome/browser/extensions/webstore_installer.h

Index: chrome/browser/extensions/webstore_installer.h
diff --git a/chrome/browser/extensions/webstore_installer.h b/chrome/browser/extensions/webstore_installer.h
index 58e76fa9cf71371353c04556c72885f18071ecf1..4bddaf580ec246c6153d83c606b6ab0c6b251be9 100644
--- a/chrome/browser/extensions/webstore_installer.h
+++ b/chrome/browser/extensions/webstore_installer.h
@@ -276,7 +276,7 @@ class WebstoreInstaller : public content::NotificationObserver,
   // Used to periodically update the extension's download status. This will
   // trigger at least every second, though sometimes more frequently (depending
   // on number of modules, etc).
-  base::OneShotTimer<WebstoreInstaller> download_progress_timer_;
+  base::OneShotTimer download_progress_timer_;
   scoped_ptr<Approval> approval_;
   GURL download_url_;
   scoped_refptr<CrxInstaller> crx_installer_;