Move the content-dependent RecreateLayer logic from aura::Window to RWHVA

ui/views/widget/desktop_aura/desktop_native_widget_aura.cc

Index: ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
diff --git a/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc b/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
index a2ab44c6204fd9b6833ab71a0be7ff4014cd56b1..812c068857e8fceb08e14722c415398054136680 100644
--- a/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
+++ b/ui/views/widget/desktop_aura/desktop_native_widget_aura.cc
@@ -779,12 +779,8 @@ void DesktopNativeWidgetAura::GetHitTestMask(gfx::Path* mask) const {
   native_widget_delegate_->GetHitTestMask(mask);
 }
 
-scoped_refptr<ui::Texture> DesktopNativeWidgetAura::CopyTexture() {
-  // The layer we create doesn't have an external texture, so this should never
-  // get invoked.
-  NOTREACHED();
-  return scoped_refptr<ui::Texture>();
-}
+void DesktopNativeWidgetAura::DidRecreateLayer(ui::Layer* old_layer,
+                                               ui::Layer* new_layer) {}
 
 ////////////////////////////////////////////////////////////////////////////////
 // DesktopNativeWidgetAura, ui::EventHandler implementation: