Revert of [M55] Generalize layer mirroring for phantom windows

content/browser/renderer_host/delegated_frame_host.cc

Index: content/browser/renderer_host/delegated_frame_host.cc
diff --git a/content/browser/renderer_host/delegated_frame_host.cc b/content/browser/renderer_host/delegated_frame_host.cc
index 44ba98b348de23a2f646d84f6667e92c03e781eb..a5f9b79a96f409a5e730246ad0aa397d7b712ddb 100644
--- a/content/browser/renderer_host/delegated_frame_host.cc
+++ b/content/browser/renderer_host/delegated_frame_host.cc
@@ -893,4 +893,24 @@
   delegated_frame_evictor_->UnlockFrame();
 }
 
+////////////////////////////////////////////////////////////////////////////////
+// DelegatedFrameHost, ui::LayerOwnerDelegate implementation:
+
+void DelegatedFrameHost::OnLayerRecreated(ui::Layer* old_layer,
+                                          ui::Layer* new_layer) {
+  // The new_layer is the one that will be used by our Window, so that's the one
+  // that should keep our frame. old_layer will be returned to the
+  // RecreateLayer caller, and should have a copy.
+  if (!local_frame_id_.is_null()) {
+    ImageTransportFactory* factory = ImageTransportFactory::GetInstance();
+    cc::SurfaceManager* manager = factory->GetSurfaceManager();
+    new_layer->SetShowSurface(
+        cc::SurfaceId(frame_sink_id_, local_frame_id_),
+        base::Bind(&SatisfyCallback, base::Unretained(manager)),
+        base::Bind(&RequireCallback, base::Unretained(manager)),
+        current_surface_size_, current_scale_factor_,
+        current_frame_size_in_dip_);
+  }
+}
+
 }  // namespace content