Remove SiteIsolationPolicy::IsSwappedOutStateForbidden().

content/browser/frame_host/frame_tree.cc

Index: content/browser/frame_host/frame_tree.cc
diff --git a/content/browser/frame_host/frame_tree.cc b/content/browser/frame_host/frame_tree.cc
index 90e3a7265c365815561086c12da3adbb8aafccd5..c8622c182dd7f14febe1c05c7698fb81df46241b 100644
--- a/content/browser/frame_host/frame_tree.cc
+++ b/content/browser/frame_host/frame_tree.cc
@@ -258,12 +258,7 @@ void FrameTree::CreateProxiesForSiteInstance(
   if (!source || !source->IsMainFrame()) {
     RenderViewHostImpl* render_view_host = GetRenderViewHost(site_instance);
     if (!render_view_host) {
-      if (SiteIsolationPolicy::IsSwappedOutStateForbidden()) {
-        root()->render_manager()->CreateRenderFrameProxy(site_instance);
-      } else {
-        root()->render_manager()->CreateRenderFrame(
-            site_instance, CREATE_RF_SWAPPED_OUT | CREATE_RF_HIDDEN, nullptr);
-      }
+      root()->render_manager()->CreateRenderFrameProxy(site_instance);
     } else {
       root()->render_manager()->EnsureRenderViewInitialized(render_view_host,
                                                             site_instance);