Remove MojoCompositorFrameSink::WillDrawSurface

content/browser/renderer_host/offscreen_canvas_compositor_frame_sink.cc

 // Copyright 2016 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 "content/browser/renderer_host/offscreen_canvas_compositor_frame_sink.h"
 
 #include "base/memory/ptr_util.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_manager.h"
 #include "content/browser/renderer_host/offscreen_canvas_compositor_frame_sink_provider_impl.h"
@@ skipping 58 matching lines @@
 }
 
 void OffscreenCanvasCompositorFrameSink::ReclaimResources(
     const cc::ReturnedResourceArray& resources) {
   if (client_)
     client_->ReclaimResources(resources);
 }
 
 void OffscreenCanvasCompositorFrameSink::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 OffscreenCanvasCompositorFrameSink::OnClientConnectionLost() {
   provider_->OnCompositorFrameSinkClientConnectionLost(
       support_.frame_sink_id());
 }
 
 }  // namespace content