Enable login screen apps.

extensions/browser/process_manager.cc

Index: extensions/browser/process_manager.cc
diff --git a/extensions/browser/process_manager.cc b/extensions/browser/process_manager.cc
index dc3b5e71266cc0a0b0c4ed56d36d244f6ed572b3..499a6b78b81b841a21e8d0798169707b28de271d 100644
--- a/extensions/browser/process_manager.cc
+++ b/extensions/browser/process_manager.cc
@@ -365,7 +365,8 @@ bool ProcessManager::CreateBackgroundHost(const Extension* extension,
   // Don't create hosts if the embedder doesn't allow it.
   ProcessManagerDelegate* delegate =
       ExtensionsBrowserClient::Get()->GetProcessManagerDelegate();
-  if (delegate && !delegate->IsBackgroundPageAllowed(browser_context_))
+  if (delegate &&
+      !delegate->IsBackgroundPageAllowed(browser_context_, extension))
     return false;
 
   // Don't create multiple background hosts for an extension.
@@ -387,7 +388,7 @@ void ProcessManager::MaybeCreateStartupBackgroundHosts() {
   // The embedder might disallow background pages entirely.
   ProcessManagerDelegate* delegate =
       ExtensionsBrowserClient::Get()->GetProcessManagerDelegate();
-  if (delegate && !delegate->IsBackgroundPageAllowed(browser_context_))
+  if (delegate && !delegate->IsBackgroundPageAllowed(browser_context_, nullptr))
     return;
 
   // The embedder might want to defer background page loading. For example,