Disable support for swapped out RenderFrame(Host) on desktop.

content/browser/renderer_host/render_widget_host_impl.h

Index: content/browser/renderer_host/render_widget_host_impl.h
diff --git a/content/browser/renderer_host/render_widget_host_impl.h b/content/browser/renderer_host/render_widget_host_impl.h
index bb8be8375155d149f76e6fff3c78bb6265337a52..303052026aa25d7afdaedf07a6a476e46d8e3895 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -479,6 +479,9 @@ class CONTENT_EXPORT RenderWidgetHostImpl
 #endif
 
   void set_renderer_initialized(bool renderer_initialized) {
+    LOG(ERROR) << "RWH[" << this << "]::set_renderer_initialized: "
+      << " routing_id:" << routing_id_
+      << " initialized:" << renderer_initialized;
     renderer_initialized_ = renderer_initialized;
   }