Remove MojoCompositorFrameSink::WillDrawSurface

services/ui/public/cpp/client_compositor_frame_sink.cc

Index: services/ui/public/cpp/client_compositor_frame_sink.cc
diff --git a/services/ui/public/cpp/client_compositor_frame_sink.cc b/services/ui/public/cpp/client_compositor_frame_sink.cc
index 2b6d626e56ba44ba7c27806938cd096cb25f9040..26c60516b9643754039d166ef685b443cfc4d261 100644
--- a/services/ui/public/cpp/client_compositor_frame_sink.cc
+++ b/services/ui/public/cpp/client_compositor_frame_sink.cc
@@ -134,12 +134,6 @@ void ClientCompositorFrameSink::ReclaimResources(
   client_->ReclaimResources(resources);
 }
 
-void ClientCompositorFrameSink::WillDrawSurface(
-    const cc::LocalSurfaceId& local_surface_id,
-    const gfx::Rect& damage_rect) {
-  // TODO(fsamuel, staraz): Implement this.
-}
-
 void ClientCompositorFrameSink::OnNeedsBeginFrames(bool needs_begin_frames) {
   compositor_frame_sink_->SetNeedsBeginFrame(needs_begin_frames);
 }