Template methods on Timer classes instead of the classes themselves.

media/blink/skcanvas_video_renderer.h

Index: media/blink/skcanvas_video_renderer.h
diff --git a/media/blink/skcanvas_video_renderer.h b/media/blink/skcanvas_video_renderer.h
index b82fe0a7847457d3684257654d8d38198a268b17..0bb7b39a06e493e0ce165c8f22ed6e7791ae92f6 100644
--- a/media/blink/skcanvas_video_renderer.h
+++ b/media/blink/skcanvas_video_renderer.h
@@ -81,7 +81,7 @@ class MEDIA_EXPORT SkCanvasVideoRenderer {
   // Timestamp of the videoframe used to generate |last_image_|.
   base::TimeDelta last_timestamp_ = media::kNoTimestamp();
   // If |last_image_| is not used for a while, it's deleted to save memory.
-  base::DelayTimer<SkCanvasVideoRenderer> last_image_deleting_timer_;
+  base::DelayTimer last_image_deleting_timer_;
 
   DISALLOW_COPY_AND_ASSIGN(SkCanvasVideoRenderer);
 };