Remove MojoCompositorFrameSink::WillDrawSurface

components/viz/frame_sinks/gpu_root_compositor_frame_sink.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/viz/frame_sinks/gpu_root_compositor_frame_sink.h"
 
 #include "cc/surfaces/compositor_frame_sink_support.h"
 #include "cc/surfaces/display.h"
 
 namespace viz {
@@ skipping 115 matching lines @@
 }
 
 void GpuRootCompositorFrameSink::ReclaimResources(
     const cc::ReturnedResourceArray& resources) {
   if (client_)
     client_->ReclaimResources(resources);
 }
 
 void GpuRootCompositorFrameSink::WillDrawSurface(
     const cc::LocalSurfaceId& local_surface_id,
-    const gfx::Rect& damage_rect) {
-  if (client_)
-    client_->WillDrawSurface(local_surface_id, damage_rect);
-}
+    const gfx::Rect& damage_rect) {}
 
 void GpuRootCompositorFrameSink::OnClientConnectionLost() {
   client_connection_lost_ = true;
   // Request destruction of |this| only if both connections are lost.
   delegate_->OnClientConnectionLost(support_->frame_sink_id(),
                                     private_connection_lost_);
 }
 
 void GpuRootCompositorFrameSink::OnPrivateConnectionLost() {
   private_connection_lost_ = true;
   // Request destruction of |this| only if both connections are lost.
   delegate_->OnPrivateConnectionLost(support_->frame_sink_id(),
                                      client_connection_lost_);
 }
 
 }  // namespace viz