Consolidate OutputSurface constructors into GL vs Vulkan.

components/mus/public/cpp/lib/output_surface.cc

 // Copyright 2014 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/mus/public/cpp/output_surface.h"
 
 #include "base/bind.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
 #include "cc/output/output_surface_client.h"
 #include "components/mus/public/cpp/window_surface.h"
 #include "mojo/converters/surfaces/surfaces_type_converters.h"
 
 namespace mus {
 
 OutputSurface::OutputSurface(
     const scoped_refptr<cc::ContextProvider>& context_provider,
     std::unique_ptr<mus::WindowSurface> surface)
-    : cc::OutputSurface(context_provider), surface_(std::move(surface)) {
+    : cc::OutputSurface(context_provider, nullptr, nullptr),
+      surface_(std::move(surface)) {
   capabilities_.delegated_rendering = true;
 }
 
 OutputSurface::~OutputSurface() {}
 
 bool OutputSurface::BindToClient(cc::OutputSurfaceClient* client) {
   surface_->BindToThread();
   surface_->set_client(this);
   return cc::OutputSurface::BindToClient(client);
 }
@@ skipping 20 matching lines @@
   cc::CompositorFrameAck cfa;
   cfa.resources = resources.To<cc::ReturnedResourceArray>();
   ReclaimResources(&cfa);
 }
 
 void OutputSurface::SwapBuffersComplete() {
   client_->DidSwapBuffersComplete();
 }
 
 }  // namespace mus