cc: De-special-case SurfaceLayer code

ui/android/delegated_frame_host_android.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 "ui/android/delegated_frame_host_android.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "cc/layers/solid_color_layer.h"
@@ skipping 13 matching lines @@
 
 namespace {
 
 scoped_refptr<cc::SurfaceLayer> CreateSurfaceLayer(
     cc::SurfaceManager* surface_manager,
     cc::SurfaceInfo surface_info,
     bool surface_opaque) {
   // manager must outlive compositors using it.
   auto layer = cc::SurfaceLayer::Create(surface_manager->reference_factory());
   layer->SetPrimarySurfaceInfo(surface_info);
+  layer->SetFallbackSurfaceInfo(surface_info);
   layer->SetBounds(surface_info.size_in_pixels());
   layer->SetIsDrawable(true);
   layer->SetContentsOpaque(surface_opaque);
 
   return layer;
 }
 
 void CopyOutputRequestCallback(
     scoped_refptr<cc::Layer> readback_layer,
     cc::CopyOutputRequest::CopyOutputRequestCallback result_callback,
@@ skipping 155 matching lines @@
   support_ = cc::CompositorFrameSinkSupport::Create(
       this, surface_manager_, frame_sink_id_, is_root,
       handles_frame_sink_id_invalidation, needs_sync_points);
 }
 
 cc::SurfaceId DelegatedFrameHostAndroid::SurfaceId() const {
   return surface_info_.id();
 }
 
 }  // namespace ui