Generalize layer mirroring for phantom windows

chrome/browser/ui/views/frame/contents_web_view.cc

Index: chrome/browser/ui/views/frame/contents_web_view.cc
diff --git a/chrome/browser/ui/views/frame/contents_web_view.cc b/chrome/browser/ui/views/frame/contents_web_view.cc
index b6b45bd69f9faa1f1f3a2e06b458a84496db45c2..151823ad34a7d75b21e0648aed23847077a88832 100644
--- a/chrome/browser/ui/views/frame/contents_web_view.cc
+++ b/chrome/browser/ui/views/frame/contents_web_view.cc
@@ -98,8 +98,7 @@ void ContentsWebView::CloneWebContentsLayer() {
 #if defined(USE_AURA)
   // We don't need to clone the layers on non-Aura (Mac), because closing an
   // NSWindow does not animate.
-  cloned_layer_tree_ =
-      wm::RecreateLayers(web_contents()->GetNativeView(), nullptr);
+  cloned_layer_tree_ = wm::RecreateLayers(web_contents()->GetNativeView());
 #endif
   if (!cloned_layer_tree_ || !cloned_layer_tree_->root()) {
     cloned_layer_tree_.reset();