Template methods on Timer classes instead of the classes themselves.

components/update_client/background_downloader_win.h

Index: components/update_client/background_downloader_win.h
diff --git a/components/update_client/background_downloader_win.h b/components/update_client/background_downloader_win.h
index 59113f4bbfbe49c81c6b62793acc68566863104d..459e6773fbc81513381e7b22360b034dd696ae1e 100644
--- a/components/update_client/background_downloader_win.h
+++ b/components/update_client/background_downloader_win.h
@@ -93,7 +93,7 @@ class BackgroundDownloader : public CrxDownloader {
   // The timer and the BITS interface pointers have thread affinity. These
   // members are initialized on the task runner and they must be destroyed
   // on the task runner.
-  scoped_ptr<base::RepeatingTimer<BackgroundDownloader>> timer_;
+  scoped_ptr<base::RepeatingTimer> timer_;
 
   base::win::ScopedComPtr<IBackgroundCopyManager> bits_manager_;
   base::win::ScopedComPtr<IBackgroundCopyJob> job_;