Create swapped-out opener RVHs after a process swap.

content/browser/renderer_host/render_view_host_factory.h

Index: content/browser/renderer_host/render_view_host_factory.h
diff --git a/content/browser/renderer_host/render_view_host_factory.h b/content/browser/renderer_host/render_view_host_factory.h
index fa33f07a29b85fc949d0c4125d04de8285f2c3a2..99d7299836539a8a4e1e82b757d12275b7a4e635 100644
--- a/content/browser/renderer_host/render_view_host_factory.h
+++ b/content/browser/renderer_host/render_view_host_factory.h
@@ -28,6 +28,7 @@ class RenderViewHostFactory {
       content::SiteInstance* instance,
       content::RenderViewHostDelegate* delegate,
       int routing_id,
+      bool swapped_out,
       content::SessionStorageNamespace* session_storage);
 
   // Returns true if there is currently a globally-registered factory.
@@ -45,6 +46,7 @@ class RenderViewHostFactory {
       content::SiteInstance* instance,
       content::RenderViewHostDelegate* delegate,
       int routing_id,
+      bool swapped_out,
       content::SessionStorageNamespace* session_storage_namespace) = 0;
 
   // Registers your factory to be called when new RenderViewHosts are created.