Prime the landing pad for the new video rendering pipeline.

media/mojo/services/mojo_renderer_impl.h

Index: media/mojo/services/mojo_renderer_impl.h
diff --git a/media/mojo/services/mojo_renderer_impl.h b/media/mojo/services/mojo_renderer_impl.h
index 338bcb83ddf70cb069b7500f0c1fa498b09e894c..cea32848a8d44bae66f8d18a0bcdc1c10a5e9487 100644
--- a/media/mojo/services/mojo_renderer_impl.h
+++ b/media/mojo/services/mojo_renderer_impl.h
@@ -37,7 +37,6 @@ class MojoRendererImpl : public Renderer, public mojo::MediaRendererClient {
                   const PipelineStatusCB& init_cb,
                   const StatisticsCB& statistics_cb,
                   const BufferingStateCB& buffering_state_cb,
-                  const PaintCB& paint_cb,
                   const base::Closure& ended_cb,
                   const PipelineStatusCB& error_cb,
                   const base::Closure& waiting_for_decryption_key_cb) override;