Create a LayerDelegate for recreated layers to draw when their content is invalidated.

content/browser/renderer_host/render_widget_host_view_aura_unittest.cc

 // Copyright (c) 2012 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/render_widget_host_view_aura.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <utility>
@@ skipping 1667 matching lines @@
   view_->InitAsChild(NULL);
   aura::client::ParentWindowWithContext(
       view_->GetNativeView(), parent_view_->GetNativeView()->GetRootWindow(),
       gfx::Rect());
   view_->SetSize(view_size);
   view_->Show();
 
   view_->OnSwapCompositorFrame(0,
                                MakeDelegatedFrame(1.f, view_size, view_rect));
   std::unique_ptr<ui::LayerTreeOwner> cloned_owner(
-      wm::RecreateLayers(view_->GetNativeView()));
+      wm::RecreateLayers(view_->GetNativeView(), nullptr));
 
   cc::SurfaceId id = view_->GetDelegatedFrameHost()->SurfaceIdForTesting();
   if (!id.is_null()) {
     ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
     cc::SurfaceManager* manager = factory->GetSurfaceManager();
     cc::Surface* surface = manager->GetSurfaceForId(id);
     EXPECT_TRUE(surface);
     // Should be a SurfaceSequence for both the original and new layers.
     EXPECT_EQ(2u, surface->GetDestructionDependencyCount());
   }
@@ skipping 2786 matching lines @@
   view()->OnGestureEvent(&gesture_event);
 
   EXPECT_TRUE(delegate->context_menu_request_received());
   EXPECT_EQ(delegate->context_menu_source_type(), ui::MENU_SOURCE_TOUCH);
 #endif
 
   RenderViewHostFactory::set_is_real_render_view_host(false);
 }
 
 }  // namespace content