[Merge in M47] Do not involve PasswordManagerDriver in filling HTTP-auth forms; also check realm

components/password_manager/core/browser/password_form_manager.h

Index: components/password_manager/core/browser/password_form_manager.h
diff --git a/components/password_manager/core/browser/password_form_manager.h b/components/password_manager/core/browser/password_form_manager.h
index 1740d89938547de3969299ddef54501cbc557eab..d37bcd813325145612a884645f2520346e2ae5b6 100644
--- a/components/password_manager/core/browser/password_form_manager.h
+++ b/components/password_manager/core/browser/password_form_manager.h
@@ -287,6 +287,9 @@ class PasswordFormManager : public PasswordStoreConsumer {
   // (fill data, whether to allow password generation, etc.).
   void ProcessFrameInternal(const base::WeakPtr<PasswordManagerDriver>& driver);
 
+  // Trigger filling of HTTP auth dialog and update |manager_action_|.
+  void ProcessLoginPrompt();
+
   // Determines if we need to autofill given the results of the query.
   // Takes ownership of the elements in |result|.
   void OnRequestDone(ScopedVector<autofill::PasswordForm> result);